| Commit message (Collapse) | Author | Age | Files | Lines |
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put_cpu_var takes the percpu data, not the data returned from
get_cpu_var.
This doesn't change the behavior.
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Shaohua Li <shli@fb.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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put_cpu_var takes the percpu data, not the data returned from
get_cpu_var.
This doesn't change the behavior.
Cc: Tejun Heo <tj@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Shaohua Li <shli@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The group list must be freed prior to freeing the command otherwise
we have a use-after-free.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: Yuval Mintz <Yuval.Mintz@qlogic.com>
Cc: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nelson Chang says:
====================
net: ethernet: mediatek: some bug fixes for PDAM and HW LRO
1) Add to stop PDMA while stopping the frame engine
2) Modify the register settings for LRO relinquishments
3) Jump out from the waiting loop while LRO relinquishments are done
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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(1) Modify the register settings for LRO relinquishments
(2) Jump out from the waiting loop while LRO relinquishments are done
Signed-off-by: Nelson Chang <nelson.chang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stop PDMA while the frame engine is going to stop.
Signed-off-by: Nelson Chang <nelson.chang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Philippe Reynes says:
====================
net: bcmgenet: only use new api ethtool_{get|set}_link_ksettings
Some times ago, a serie of patches were committed :
- commit 62469c76007e ("net: ethernet: bcmgenet: use phydev from struct net_device")
- commit 6b352ebccbcf ("net: ethernet: broadcom: bcmgenet: use new api ethtool_{get|set}_link_ksettings")
The first patch add a regression on this driver, so it should be reverted.
As the second patch depend on the former, it should be reverted too.
The first patch is buggy because there is a "trick" in this driver.
The structure phydev is kept in the private data when the interface
go down, and used when the interface go up to enable the phy before
the function phy_connect is called.
I don't have this hardware, neither the datasheet. So I won't
update the driver to avoid this trick.
But the real goal of the first serie was to move to the new api
ethtool_{get|set}_link_ksettings. So I provide a new version of
the patch without the "cleaning" of driver to use the phydev
store in the net_device structure.
Changelog:
v3:
- use priv instead of dev (so all the code use the same phydev)
v2:
- use Florian Fainelli patches for the revert instead of Jaedon Shin
- simply use net: bcmgenet: for the prefix of the patch
====================
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 62469c76007e ("net: ethernet: bcmgenet: use phydev
from struct net_device") because it causes GENETv1/2/3 adapters to
expose the following behavior after an ifconfig down/up sequence:
PING fainelli-linux (10.112.156.244): 56 data bytes
64 bytes from 10.112.156.244: seq=1 ttl=61 time=1.352 ms
64 bytes from 10.112.156.244: seq=1 ttl=61 time=1.472 ms (DUP!)
64 bytes from 10.112.156.244: seq=1 ttl=61 time=1.496 ms (DUP!)
64 bytes from 10.112.156.244: seq=1 ttl=61 time=1.517 ms (DUP!)
64 bytes from 10.112.156.244: seq=1 ttl=61 time=1.536 ms (DUP!)
64 bytes from 10.112.156.244: seq=1 ttl=61 time=1.557 ms (DUP!)
64 bytes from 10.112.156.244: seq=1 ttl=61 time=752.448 ms (DUP!)
This was previously fixed by commit 5dbebbb44a6a ("net: bcmgenet:
Software reset EPHY after power on") but the commit we are reverting was
essentially making this previous commit void, here is why.
Without commit 62469c76007e we would have the following scenario after
an ifconfig down then up sequence:
- bcmgenet_open() calls bcmgenet_power_up() to make sure the PHY is
initialized *before* we get to initialize the UniMAC, this is
critical to ensure the PHY is in a correct state, priv->phydev is
valid, this code executes fine
- second time from bcmgenet_mii_probe(), through the normal
phy_init_hw() call (which arguably could be optimized out)
Everything is fine in that case. With commit 62469c76007e, we would have
the following scenario to happen after an ifconfig down then up
sequence:
- bcmgenet_close() calls phy_disonnect() which makes dev->phydev become
NULL
- when bcmgenet_open() executes again and calls bcmgenet_mii_reset() from
bcmgenet_power_up() to initialize the internal PHY, the NULL check
becomes true, so we do not reset the PHY, yet we keep going on and
initialize the UniMAC, causing MAC activity to occur
- we call bcmgenet_mii_reset() from bcmgenet_mii_probe(), but this is
too late, the PHY is botched, and causes the above bogus pings/packets
transmission/reception to occur
Reported-by: Jaedon Shin <jaedon.shin@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 6b352ebccbcf ("net: ethernet: broadcom: bcmgenet:
use new api ethtool_{get|set}_link_ksettings").
We needs to revert the commit 62469c76007e ("net: ethernet: bcmgenet:
use phydev from struct net_device"), because this commit add a
regression. As the commit 6b352ebccbcf ("net: ethernet: broadcom:
bcmgenet: use new api ethtool_{get|set}_link_ksettings") depend
on the first one, we also need to revert it first.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This prevent future potential pointer leaks when an unprivileged eBPF
program will read a pointer value from its context. Even if
is_valid_access() returns a pointer type, the eBPF verifier replace it
with UNKNOWN_VALUE. The register value that contains a kernel address is
then allowed to leak. Moreover, this fix allows unprivileged eBPF
programs to use functions with (legitimate) pointer arguments.
Not an issue currently since reg_type is only set for PTR_TO_PACKET or
PTR_TO_PACKET_END in XDP and TC programs that can only be loaded as
privileged. For now, the only unprivileged eBPF program allowed is for
socket filtering and all the types from its context are UNKNOWN_VALUE.
However, this fix is important for future unprivileged eBPF programs
which could use pointers in their context.
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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seccomp_phase1() does not exist anymore. Instead, update sample to use
__seccomp_filter(). While at it, set max locked memory to unlimited.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These samples fail to compile as 'struct flow_keys' conflicts with
definition in net/flow_dissector.h. Fix the same by renaming the
structure used in the sample.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jason Baron says:
====================
bnx2x: page allocation failure
While configuring ~500 multicast addrs, we ran into high order
page allocation failures. They don't need to be high order, and
thus I'm proposing to split them into at most PAGE_SIZE allocations.
Below is a sample failure.
[1201902.617882] bnx2x: [bnx2x_set_mc_list:12374(eth0)]Failed to create multicast MACs list: -12
[1207325.695021] kworker/1:0: page allocation failure: order:2, mode:0xc020
[1207325.702059] CPU: 1 PID: 15805 Comm: kworker/1:0 Tainted: G W
[1207325.712940] Hardware name: SYNNEX CORPORATION 1x8-X4i SSD 10GE/S5512LE, BIOS V8.810 05/16/2013
[1207325.722284] Workqueue: events bnx2x_sp_rtnl_task [bnx2x]
[1207325.728206] 0000000000000000 ffff88012d873a78 ffffffff8267f7c7 000000000000c020
[1207325.736754] 0000000000000000 ffff88012d873b08 ffffffff8212f8e0 fffffffc00000003
[1207325.745301] ffff88041ffecd80 ffff880400000030 0000000000000002 0000c0206800da13
[1207325.753846] Call Trace:
[1207325.756789] [<ffffffff8267f7c7>] dump_stack+0x4d/0x63
[1207325.762426] [<ffffffff8212f8e0>] warn_alloc_failed+0xe0/0x130
[1207325.768756] [<ffffffff8213c898>] ? wakeup_kswapd+0x48/0x140
[1207325.774914] [<ffffffff82132afc>] __alloc_pages_nodemask+0x2bc/0x970
[1207325.781761] [<ffffffff82173691>] alloc_pages_current+0x91/0x100
[1207325.788260] [<ffffffff8212fa1e>] alloc_kmem_pages+0xe/0x10
[1207325.794329] [<ffffffff8214c9c8>] kmalloc_order+0x18/0x50
[1207325.800227] [<ffffffff8214ca26>] kmalloc_order_trace+0x26/0xb0
[1207325.806642] [<ffffffff82451c68>] ? _xfer_secondary_pool+0xa8/0x1a0
[1207325.813404] [<ffffffff8217cfda>] __kmalloc+0x19a/0x1b0
[1207325.819142] [<ffffffffa02fe975>] bnx2x_set_rx_mode_inner+0x3d5/0x590 [bnx2x]
[1207325.827000] [<ffffffffa02ff52d>] bnx2x_sp_rtnl_task+0x28d/0x760 [bnx2x]
[1207325.834197] [<ffffffff820695d4>] process_one_work+0x134/0x3c0
[1207325.840522] [<ffffffff82069981>] worker_thread+0x121/0x460
[1207325.846585] [<ffffffff82069860>] ? process_one_work+0x3c0/0x3c0
[1207325.853089] [<ffffffff8206f039>] kthread+0xc9/0xe0
[1207325.858459] [<ffffffff82070000>] ? notify_die+0x10/0x40
[1207325.864263] [<ffffffff8206ef70>] ? kthread_create_on_node+0x180/0x180
[1207325.871288] [<ffffffff826852d2>] ret_from_fork+0x42/0x70
[1207325.877183] [<ffffffff8206ef70>] ? kthread_create_on_node+0x180/0x180
v2:
-make use of list_next_entry()
-only use PAGE_SIZE allocations
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, we can have high order page allocations that specify
GFP_ATOMIC when configuring multicast MAC address filters.
For example, we have seen order 2 page allocation failures with
~500 multicast addresses configured.
Convert the allocation for the pending list to be done in PAGE_SIZE
increments.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: Yuval Mintz <Yuval.Mintz@qlogic.com>
Cc: Ariel Elior <Ariel.Elior@qlogic.com>
Acked-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, we can have high order page allocations that specify
GFP_ATOMIC when configuring multicast MAC address filters.
For example, we have seen order 2 page allocation failures with
~500 multicast addresses configured.
Convert the allocation for 'mcast_list' to be done in PAGE_SIZE
increments.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: Yuval Mintz <Yuval.Mintz@qlogic.com>
Cc: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I stumbled over a new warning during randconfig testing,
with CONFIG_BPF_SYSCALL disabled:
drivers/net/ethernet/netronome/nfp/nfp_net_offload.c: In function 'nfp_net_bpf_offload':
drivers/net/ethernet/netronome/nfp/nfp_net_offload.c:263:3: error: '*((void *)&res+4)' may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/net/ethernet/netronome/nfp/nfp_net_offload.c:263:3: error: 'res.n_instr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
As far as I can tell, this is a false positive caused by the compiler
getting confused about a function that is partially inlined, but it's
easy to avoid while improving the code:
The nfp_bpf_jit() stub helper for that configuration is unusual as it
is defined in a header file but not marked 'static inline'. By moving
the compile-time check into the caller using the IS_ENABLED() macro,
we can remove that stub and simplify the nfp_net_bpf_offload_prepare()
function enough to unconfuse the compiler.
Fixes: 7533fdc0f77f ("nfp: bpf: add hardware bpf offload")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get 1 warning when building kernel with W=1:
drivers/net/ethernet/broadcom/genet/bcmgenet.c:2763:5: warning: no previous prototype for 'bcmgenet_hfb_add_filter' [-Wmissing-prototypes]
In fact, this function is implemented in
drivers/net/ethernet/broadcom/genet/bcmgenet.c, but be called
by no one, thus can be removed.
So this patch removes the unused functions.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get 10 warnings when building kernel with W=1:
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c:304:5: warning: no previous prototype for 'cxgb4_dcb_enabled' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:194:5: warning: no previous prototype for 'setup_sge_queues_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:241:6: warning: no previous prototype for 'free_sge_queues_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:268:5: warning: no previous prototype for 'cfg_queues_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:344:6: warning: no previous prototype for 'free_queues_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:353:5: warning: no previous prototype for 'request_msix_queue_irqs_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:379:6: warning: no previous prototype for 'free_msix_queue_irqs_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:393:6: warning: no previous prototype for 'name_msix_vecs_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:433:6: warning: no previous prototype for 'enable_rx_uld' [-Wmissing-prototypes]
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:442:6: warning: no previous prototype for 'quiesce_rx_uld' [-Wmissing-prototypes]
In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
so this patch marks these functions with 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get 2 warnings when building kernel with W=1:
drivers/net/ethernet/marvell/mvneta.c:639:27: warning: no previous prototype for 'mvneta_get_stats64' [-Wmissing-prototypes]
drivers/net/ethernet/marvell/mvneta.c:3529:5: warning: no previous prototype for 'mvneta_ethtool_set_link_ksettings' [-Wmissing-prototypes]
In fact, these two functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
so this patch marks these functions with 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get 1 warning when building kernel with W=1:
drivers/net/ethernet/hisilicon/hip04_eth.c:603:22: warning: no previous prototype for 'tx_done' [-Wmissing-prototypes]
In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
so this patch marks this function with 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get 2 warnings when building kernel with W=1:
drivers/net/ethernet/hisilicon/hisi_femac.c:943:5: warning: no previous prototype for 'hisi_femac_drv_suspend' [-Wmissing-prototypes]
drivers/net/ethernet/hisilicon/hisi_femac.c:960:5: warning: no previous prototype for 'hisi_femac_drv_resume' [-Wmissing-prototypes]
In fact, these two functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
so this patch marks these functions with 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:
====================
pull request: bluetooth-next 2016-09-25
Here are a few more Bluetooth & 802.15.4 patches for the 4.9 kernel that
have popped up during the past week:
- New USB ID for QCA_ROME Bluetooth device
- NULL pointer dereference fix for Bluetooth mgmt sockets
- Fixes for BCSP driver
- Fix for updating LE scan response
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove multiple return statements in hci_uart_tty_ioctl() call and
added a single return statement.
This code re-organisation allows subsequent locking to be easily
added.
Signed-off-by: Vignesh Raman <Vignesh_Raman@mentor.com>
Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Rajeev Kumar <rajeev_kumar@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Send an ACK frame with the current txack value in response to
every received reliable frame unless a TX reliable frame is being
sent. This modification allows re-transmitted frames from the remote
peer to be acknowledged rather than ignored. It means that the remote
peer knows which frame number to start re-transmitting from.
Without this modification, the recovery time to a missing frame
from the remote peer was unnecessarily being extended because the
headers of the out of order reliable frames were being discarded rather
than being processed. The frame headers of received frames will
indicate whether the local peer's transmissions have been
acknowledged by the remote peer. Therefore, the local peer may
unnecessarily re-transmit despite the remote peer already indicating
that the frame had been acknowledged in out of order reliable frame.
Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Rajeev Kumar <rajeev_kumar@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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drivers/bluetooth/hci_bcsp.c contains some style issues as
highlighted by
./scripts/checkpatch.pl --strict -f drivers/bluetooth/hci_bcsp.c
a) comments - maintainer prefers network style comments
b) positioning of lines in multi-line statements
c) spaces after casts
d) missing blank lines after declarations
Therefore, tidy-up the above to make it easier to apply
future code changes that have conforming style.
Signed-off-by: Dean Jenkins <Dean_Jenkins@mentor.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Running with KASAN produces some messages:
BUG: KASAN: use-after-free in ti_st_send_frame+0x9c/0x16c at addr
ffffffc064868fe8
Read of size 1 by task kworker/u17:1/1266
<KASAN output trimmed>
Hardware name: HiKey Development Board (DT)
Workqueue: hci0 hci_cmd_work
Call trace:
[<ffffffc00008c00c>] dump_backtrace+0x0/0x178
[<ffffffc00008c1a4>] show_stack+0x20/0x28
[<ffffffc00067da38>] dump_stack+0xa8/0xe0
[<ffffffc000288430>] print_trailer+0x110/0x174
[<ffffffc00028aedc>] object_err+0x4c/0x5c
[<ffffffc00028f714>] kasan_report_error+0x254/0x54c
[<ffffffc00028fa70>] kasan_report+0x64/0x70
[<ffffffc00028eb8c>] __asan_load1+0x4c/0x54
[<ffffffc000b59b24>] ti_st_send_frame+0x9c/0x16c
[<ffffffc000ee8dcc>] hci_send_frame+0xb4/0x118
[<ffffffc000ee8efc>] hci_cmd_work+0xcc/0x154
[<ffffffc0000f6c48>] process_one_work+0x26c/0x7a4
[<ffffffc0000f721c>] worker_thread+0x9c/0x73c
[<ffffffc000100250>] kthread+0x138/0x154
[<ffffffc000085c50>] ret_from_fork+0x10/0x40
The packet is being accessed for statistics after it has been freed.
Save the packet type before sending for statistics afterwards.
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Scan response data should not be updated unless there
is an advertising instance.
Signed-off-by: Michał Narajowski <michal.narajowski@codecoup.pl>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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BugLink: https://bugs.launchpad.net/bugs/1535802
T: Bus=01 Lev=02 Prnt=02 Port=04 Cnt=01 Dev#= 3 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=04ca ProdID=3011 Rev=00.01
C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
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Adds missing callback assignment to cmd_complete in pending management command
context. Dump path involves security procedure performed on legacy (pre-SSP)
devices with service security requirements set to HIGH (16digits PIN).
It fails when shorter PIN is delivered by user.
[ 1.517950] Bluetooth: PIN code is not 16 bytes long
[ 1.518491] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 1.518584] IP: [< (null)>] (null)
[ 1.518584] PGD 9e08067 PUD 9fdf067 PMD 0
[ 1.518584] Oops: 0010 [#1] SMP
[ 1.518584] Modules linked in:
[ 1.518584] CPU: 0 PID: 1002 Comm: kworker/u3:2 Not tainted 4.8.0-rc6-354649-gaf4168c #16
[ 1.518584] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.9.3-20160701_074356-anatol 04/01/2014
[ 1.518584] Workqueue: hci0 hci_rx_work
[ 1.518584] task: ffff880009ce14c0 task.stack: ffff880009e10000
[ 1.518584] RIP: 0010:[<0000000000000000>] [< (null)>] (null)
[ 1.518584] RSP: 0018:ffff880009e13bc8 EFLAGS: 00010293
[ 1.518584] RAX: 0000000000000000 RBX: ffff880009eed100 RCX: 0000000000000006
[ 1.518584] RDX: ffff880009ddc000 RSI: 0000000000000000 RDI: ffff880009eed100
[ 1.518584] RBP: ffff880009e13be0 R08: 0000000000000000 R09: 0000000000000001
[ 1.518584] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1.518584] R13: ffff880009e13ccd R14: ffff880009ddc000 R15: ffff880009ddc010
[ 1.518584] FS: 0000000000000000(0000) GS:ffff88000bc00000(0000) knlGS:0000000000000000
[ 1.518584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.518584] CR2: 0000000000000000 CR3: 0000000009fdd000 CR4: 00000000000006f0
[ 1.518584] Stack:
[ 1.518584] ffffffff81909808 ffff880009e13cce ffff880009e0d40b ffff880009e13c68
[ 1.518584] ffffffff818f428d 00000000024000c0 ffff880009e13c08 ffffffff810ca903
[ 1.518584] ffff880009e13c48 ffffffff811ade34 ffffffff8178c31f ffff880009ee6200
[ 1.518584] Call Trace:
[ 1.518584] [<ffffffff81909808>] ? mgmt_pin_code_neg_reply_complete+0x38/0x60
[ 1.518584] [<ffffffff818f428d>] hci_cmd_complete_evt+0x69d/0x3200
[ 1.518584] [<ffffffff810ca903>] ? rcu_read_lock_sched_held+0x53/0x60
[ 1.518584] [<ffffffff811ade34>] ? kmem_cache_alloc+0x1a4/0x200
[ 1.518584] [<ffffffff8178c31f>] ? skb_clone+0x4f/0xa0
[ 1.518584] [<ffffffff818f9d81>] hci_event_packet+0x8e1/0x28e0
[ 1.518584] [<ffffffff81a421f1>] ? _raw_spin_unlock_irqrestore+0x31/0x50
[ 1.518584] [<ffffffff810aea3e>] ? trace_hardirqs_on_caller+0xee/0x1b0
[ 1.518584] [<ffffffff818e6bd1>] hci_rx_work+0x1e1/0x5b0
[ 1.518584] [<ffffffff8107e4bd>] ? process_one_work+0x1ed/0x6b0
[ 1.518584] [<ffffffff8107e538>] process_one_work+0x268/0x6b0
[ 1.518584] [<ffffffff8107e4bd>] ? process_one_work+0x1ed/0x6b0
[ 1.518584] [<ffffffff8107e9c3>] worker_thread+0x43/0x4e0
[ 1.518584] [<ffffffff8107e980>] ? process_one_work+0x6b0/0x6b0
[ 1.518584] [<ffffffff8107e980>] ? process_one_work+0x6b0/0x6b0
[ 1.518584] [<ffffffff8108505f>] kthread+0xdf/0x100
[ 1.518584] [<ffffffff81a4297f>] ret_from_fork+0x1f/0x40
[ 1.518584] [<ffffffff81084f80>] ? kthread_create_on_node+0x210/0x210
Signed-off-by: Arek Lichwa <arek.lichwa@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Fixes the following sparse warnings:
drivers/net/dsa/mv88e6xxx/chip.c:219:5: warning:
symbol 'mv88e6xxx_port_read' was not declared. Should it be static?
drivers/net/dsa/mv88e6xxx/chip.c:227:5: warning:
symbol 'mv88e6xxx_port_write' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes the following sparse warnings:
drivers/net/ethernet/emulex/benet/be_main.c:47:25: warning:
symbol 'be_err_recovery_workq' was not declared. Should it be static?
drivers/net/ethernet/emulex/benet/be_main.c:63:25: warning:
symbol 'be_wq' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This aligns smc91x with its cousin, namely smc911x.c.
This also allows the driver to run also in a device-tree based lubbock
board build, on which it was tested.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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iq is unsigned, so the error check for iq < 0 has no effect so errors
can slip past this check. Fix this by making iq signed and also
get_filter_steerq return a signed int so a -ve error can be returned.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for your net-next
tree, they are:
1) Consolidate GRE protocol tracker using new GRE protocol definitions,
patches from Gao Feng.
2) Properly parse continuation lines in SIP helper, update allowed
characters in Call-ID header and allow tabs in SIP headers as
specified by RFC3261, from Marco Angaroni.
3) Remove useless code in FTP conntrack helper, also from Gao Feng.
4) Add number generation expression for nf_tables, with random and
incremental generators. This also includes specific offset to add
to the result, patches from Laura Garcia Liebana. Liping Zhang
follows with a fix to avoid a race in this new expression.
5) Fix new quota expression inversion logic, added in the previous
pull request.
6) Missing validation of queue configuration in nft_queue, patch
from Liping Zhang.
7) Remove unused ctl_table_path, as part of the deprecation of the
ip_conntrack sysctl interface coming in the previous batch.
Again from Liping Zhang.
8) Add offset attribute to nft_hash expression, so we can generate
any output from a specific base offset. Moreover, check for
possible overflow, patches from Laura Garcia.
9) Allow to invert dynamic set insertion from packet path, to check
for overflows in case the set is full.
10) Revisit nft_set_pktinfo*() logic from nf_tables to ensure
proper initialization of layer 4 protocol. Consolidate pktinfo
structure initialization for bridge and netdev families.
11) Do not inconditionally drop IPv6 packets that we cannot parse
transport protocol for ip6 and inet families, let the user decide
on this via ruleset policy.
12) Get rid of gotos in __nf_ct_try_assign_helper().
13) Check for return value in register_netdevice_notifier() and
nft_register_chain_type(), patches from Gao Feng.
14) Get rid of CONFIG_IP6_NF_IPTABLES dependency in nf_queue
infrastructure that is common to nf_tables, from Liping Zhang.
15) Disable 'found' and 'searched' stats that are updates from the
packet hotpath, not very useful these days.
16) Validate maximum value of u32 netlink attributes in nf_tables,
this introduces nft_parse_u32_check(). From Laura Garcia.
17) Add missing code to integrate nft_queue with maps, patch from
Liping Zhang. This also includes missing support ranges in
nft_queue bridge family.
18) Fix check in nft_payload_fast_eval() that ensure that we don't
go over the skbuff data boundary, from Liping Zhang.
19) Check if transport protocol is set from nf_tables tracing and
payload expression. Again from Liping Zhang.
20) Use net_get_random_once() whenever possible, from Gao Feng.
21) Replace hardcoded value by sizeof() in xt_helper, from Gao Feng.
22) Remove superfluous check for found element in nft_lookup.
23) Simplify TCPMSS logic to check for minimum MTU, from Gao Feng.
24) Replace double linked list by single linked list in Netfilter
core hook infrastructure, patchset from Aaron Conole. This
includes several patches to prepare this update.
25) Fix wrong sequence adjustment of TCP RST with no ACK, from
Gao Feng.
26) Relax check for direction attribute in nft_ct for layer 3 and 4
protocol fields, from Liping Zhang.
27) Add new revision for hashlimit to support higher pps of upto 1
million, from Vishwanath Pai.
28) Evict stale entries in nf_conntrack when reading entries from
/proc/net/nf_conntrack, from Florian Westphal.
29) Fix transparent match for IPv6 request sockets, from Krisztian
Kovacs.
30) Add new range expression for nf_tables.
31) Add missing code to support for flags in nft_log. Expose NF_LOG_*
flags via uapi and use it from the generic logging infrastructure,
instead of using xt specific definitions, from Liping Zhang.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Conflicts:
net/netfilter/core.c
net/netfilter/nf_tables_netdev.c
Resolve two conflicts before pull request for David's net-next tree:
1) Between c73c24849011 ("netfilter: nf_tables_netdev: remove redundant
ip_hdr assignment") from the net tree and commit ddc8b6027ad0
("netfilter: introduce nft_set_pktinfo_{ipv4, ipv6}_validate()").
2) Between e8bffe0cf964 ("net: Add _nf_(un)register_hooks symbols") and
Aaron Conole's patches to replace list_head with single linked list.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2016-09-24
This series contains updates to i40e and i40evf only.
Harshitha removes the ability to set or advertise X722 to 100 Mbps,
since it is not supported, so we should not be able to advertise or
set the NIC to 100 Mbps.
Alan fixes an issue where deleting a MAC filter did not really delete the
filter in question. The reason being that the wrong cmd_flag is passed to
the firmware.
Preethi adds the encapsulation checksum offload negotiation flag, so that
we can control it.
Jake cleans up the ATR auto_disable_flags use, since some locations
disable ATR accidentally using the "full" disable by disabling the flag
in the standard flags field. This permanently forces ATR off instead of
temporarily disabling it. Then updated checks to include when there are
TCP/IP4 sideband rules in effect, where ATR should be disabled. Lastly,
adds support to the i40evf driver for setting interrupt moderation values
per queue, like in i40e.
Henry cleans up unreachable code, since i40e_shutdown_adminq() is always
true.
Mitch enables support for adaptive interrupt throttling, since all the
code for it is already in the interrupt handler. The fixes a rare
case where we might get a VSI with no queues and we try to configure
RSS, which would result in a divide by zero.
Alex fixes an issue where transmit cleanup flow was incorrectly assuming
it could check for the flow director bits after it had unmapped the
buffer. Then adds a txring_txq() to allow us to convert a i40e_ring/
i40evf_ring to a netdev_tx_queue structure, like ixgbe and fm10k. This
avoids having to make a multi-line function call for all the areas that
need access to it. Re-factors the Flow Director filter configuration
out into a separate function, like we did for the standard xmit path.
Cleans up the debugfs hook for Flow Director since it was meant for
debug only.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit a75e8005d506f3 ("i40e: queue-specific settings for interrupt
moderation") the i40e driver gained support for setting interrupt
moderation values per queue. This patch adds support for this feature
to the i40evf driver as well. In addition, a few changes are made to
the i40e implementation to add function header documentation comments,
as well.
This behaves in a similar fashion to the implementation in i40e. Thus,
requesting the moderation value when no queue is provided will report
queue 0 value, while setting the value without a queue will set all
queues at once.
Change-ID: I1f310a57c8e6c84a8524c178d44d1b7a6d3a848e
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In some rare cases, we might get a VSI with no queues. In this case, we
cannot configure RSS on this VSI as it will try to divide by zero when
configuring the lookup table.
Change-ID: I6ae173a7dd3481a081e079eb10eb80275de2adb0
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This interface was only ever meant for debug only. Since it is not
supposed to be here we are removing it.
Change-ID: Id771a1e5e7d3e2b4b7f56591b61fb48c921e1d04
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In an effort to improve code readability I am splitting the Flow Director
filter configuration out into a separate function like we have done for the
standard xmit path. The general idea is to provide a single block of code
that translates the flow specification into a proper Flow Director
descriptor.
Change-ID: Id355ad8030c4e6c72c57504fa09de60c976a8ffe
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds a txring_txq function which allows us to convert a
i40e_ring/i40evf_ring to a netdev_tx_queue structure. This way we
can avoid having to make a multi-line function call for all the spots
that need access to this.
Change-ID: Ic063b71d8b92ea406d2c32e798c8e2b02809d65b
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The Tx cleanup flow was incorrectly assuming it could check for the flow
director bits after it had unmapped the buffer. However in this case it
results in us trying to free a raw_buf as though it is an sk_buff.
To fix this I am moving up the flag test for the FD_SB bit so that when
find a non-NULL skb or raw_buf value we then check the flag and use the
appropriate call to free the buffer.
Change-ID: I6284034ba1ea87c9922e56f6eb3181f7f09bddde
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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All of the code to support adaptive interrupt throttling is already in
the interrupt handler, it just needs to be enabled. Fill out the data
structures properly to make it happen. Single-flow traffic tests may
show slightly lower throughput, but interrupts per second will drop by
about 75%.
Change-ID: I9cd7d42c025b906bf1bb85c6aeb6112684aa6471
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch increases minimum number of allocated VSIs, so as to resolve
failure adding VSI for VF when 64-VFs assigned to a PF. The driver
supports up to 128 VFs per device, users can decide to enable up to
64-VFs on a single PF, especially 2 X 40 devices. In that scenario, with
VMDq co-existence, there would be starvation of VSIs - with this patch,
supported features would have enough VSIs for configuration now.
Change-ID: If084f4cd823667af8fe7fdc11489c705b32039d5
Signed-off-by: Akeem Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Signed-off-by: Bimmy Pujari <bimmy.pujari@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The return value from i40e_shutdown_adminq() is always 0
(I40E_SUCCESS). So, the test for non-0 will never be true. Cleanup
by removing the test and debug print statement.
Change-ID: Ie51e8e37515c3e3a6a9ff26fa951d0e5e24343c1
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In i40e_fdir_check_and_reenable(), the driver performs some checks to
determine whether it is safe to re-enable FD Sideband and FD ATR
support. The current check will only determine if there is available
space in the flow director table. However, this ignores the fact that
ATR should be disabled when there are TCP/IPv4 sideband rules in effect.
Add the missing check, and update the info message printed when
I40E_DEBUG_FD is enabled.
Change-ID: Ibb9c63e5be95d63c53a498fdd5dbf69f54a00e08
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Some locations that disable ATR accidentally used the "full" disable by
disabling the flag in the standard flags field. This incorrectly forces
ATR off permanently instead of temporarily disabling it. In addition,
some code locations accidentally set the ATR flag enabled when they only
meant to clear the auto_disable_flags. This results in ignoring the
user's ethtool private flag settings.
Additionally, when disabling ATR via ethtool, we did not perform a flush
of the FD table. This results in the previously assigned ATR rules still
functioning which was not expected.
Cleanup all these areas so that automatic disable uses only the
auto_disable_flag. Fix the flush code so that we can trigger a flush
even when we've disabled ATR and SB support, as otherwise the flush
doesn't work. Fix ethtool setting to actually request a flush. Fix
NETIF_F_NTUPLE flag to only clear the auto_disable setting and not
enable the full feature.
Change-ID: Ib2486111f8031bd16943e9308757b276305c03b5
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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