| Commit message (Collapse) | Author | Age | Files | Lines |
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Add the volume control quirk for avoiding the kernel warning
for the Logitech HD Webcam C525
as in the similar commit 36691e1be6ec551eef4a5225f126a281f8c051c2
for the Logitech HD Webcam C310.
Reported-by: Maksim Boyko <maksim.a.boyko@gmail.com>
Tested-by: Maksim Boyko <maksim.a.boyko@gmail.com>
Cc: <stable@vger.kernel.org> # 3.10.5+
Signed-off-by: Maksim Boyko <maksim.a.boyko@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We've added a fake mute control (setting the amp volume to zero) for
CX5051 at commit [3868137e: ALSA: hda - Add a fake mute feature], but
this feature was overlooked in the generic parser implementation. Now
the driver lacks of mute controls on these codecs.
The fix is just to check both AC_AMPCAP_MUTE and AC_AMPCAP_MIN_MUTE
bits in each place checking the amp capabilities.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=59001
Cc: <stable@vger.kernel.org> [v3.9+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Commit aafe77cc45a5 (ALSA: usb-audio: add support for many Roland/Yamaha
devices) had several logic errors that prevented create_auto_midi_quirk
from enumerating any MIDI ports.
Reported-by: Keith A. Milner <maillist@superlative.org>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Patch makes midi output buffer DMA-able by allocating it separately.
Signed-off-by: Torsten Schenk <torsten.schenk@zoho.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Patch makes pcm buffers DMA-able by allocating each one separately.
Signed-off-by: Torsten Schenk <torsten.schenk@zoho.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Correct the pins for a line-in and a headphone on LG LW25 laptop with
ALC880 codec. Other pins seem fine.
Reported-and-tested-by: Joonas Saarinen <jonskunator@gmail.com>
Cc: <stable@vger.kernel.org> [v3.9+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 3.11-rc6 that have accumulated.
Nothing huge, a EHCI fix that solves a much-reported audio USB
problem, some usb-serial driver endian fixes and other minor fixes, a
wireless USB oops fix, and two new quirks"
* tag 'usb-3.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: keyspan: fix null-deref at disconnect and release
USB: mos7720: fix broken control requests
usb: add two quirky touchscreen
USB: ti_usb_3410_5052: fix big-endian firmware handling
USB: adutux: fix big-endian device-type reporting
USB: usbtmc: fix big-endian probe of Rigol devices
USB: mos7840: fix big-endian probe
USB-Serial: Fix error handling of usb_wwan
wusbcore: fix kernel panic when disconnecting a wireless USB->serial device
USB: EHCI: accept very late isochronous URBs
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Make sure to fail properly if the device is not accepted during attach
in order to avoid null-pointer derefs (of missing interface private
data) at disconnect or release.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The parallel-port code of the drivers used a stack allocated
control-request buffer for asynchronous (and possibly deferred) control
requests. This not only violates the no-DMA-from-stack requirement but
could also lead to corrupt control requests being submitted.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These devices tend to become unresponsive after S3
Signed-off-by: Oliver Neukum <oneukum@suse.de>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix endianess bugs in firmware handling introduced by commits cb7a7c6a
("ti_usb_3410_5052: add Multi-Tech modem support") and 05a3d905
("ti_usb_3410_5052: support alternate firmware") which made the driver
use the wrong firmware for certain devices on big-endian machines.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure the reported device-type on big-endian machines is the same as
on little-endian ones.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix probe of Rigol devices on big-endian machines. A quirk for these
devices was introduced by commit c2e314835 ("USB: usbtmc: Set
rigol_quirk if device is listed") but was only enabled on little-endian
machines.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix bug in device-type detection on big-endian machines originally
introduced by commit 0eafe4de ("USB: serial: mos7840: add support for
MCS7810 devices") which always matched on little-endian product ids.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes an issue where the bulk-in urb used for incoming data transfer
is not resubmitted if the packet recieved contains an error status. This
results in the driver locking until the port is closed and re-opened.
Tested on a custom board with a Cinterion GSM module.
Signed-off-by: Matt Burtch <matt@grid-net.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes a kernel panic that can occur when disconnecting a
wireless USB->serial device. When the serial device disconnects, the
device cleanup procedure ends up calling usb_hcd_disable_endpoint on the
serial device's endpoints. The wusbcore uses the ABORT_RPIPE command to
abort all transfers on the given endpoint but it does not properly give
back the URBs when the transfer results return from the HWA. This patch
prevents the transfer result processing code from bailing out when it sees
a WA_XFER_STATUS_ABORTED result code so that these urbs are flushed
properly by usb_hcd_disable_endpoint. It also updates wa_urb_dequeue to
handle the case where the endpoint has already been cleaned up when
usb_kill_urb is called which is where the panic originally occurred.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since commits 4005ad4390bf (EHCI: implement new semantics for
URB_ISO_ASAP) and c75c5ab575af (ALSA: USB: adjust for changed 3.8 USB
API) became widely distributed, people have been experiencing problems
with audio transfers. The slightest underrun causes complete failure,
requiring the audio stream to be restarted.
It turns out that the current isochronous API doesn't handle underruns
in the best way. The ALSA developers would much rather have transfers
that are submitted too late be accepted and complete in the normal
fashion, rather than being refused outright.
This patch implements the requested approach. When an isochronous URB
submission is so late that all its scheduled slots have already
expired, a debugging message will be printed in the log and the URB
will be accepted as usual. Assuming it was submitted by a completion
handler (which is normally the case), it will complete shortly
thereafter with all the usb_iso_packet_descriptor status fields marked
-EXDEV.
This fixes (for ehci-hcd)
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1191603
It should be applied to all kernels that include commit 4005ad4390bf.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Maksim Boyko <maksboyko@yandex.ru>
CC: Clemens Ladisch <clemens@ladisch.de>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull networking fixes from David Miller:
1) Fix SKB leak in 8139cp, from Dave Jones.
2) Fix use of *_PAGES interfaces with mlx5 firmware, from Moshe Lazar.
3) RCU conversion of macvtap introduced two races, fixes by Eric
Dumazet
4) Synchronize statistic flows in bnx2x driver to prevent corruption,
from Dmitry Kravkov
5) Undo optimization in IP tunneling, we were using the inner IP header
in some cases to inherit the IP ID, but that isn't correct in some
circumstances. From Pravin B Shelar
6) Use correct struct size when parsing netlink attributes in
rtnl_bridge_getlink(). From Asbjoern Sloth Toennesen
7) Length verifications in tun_get_user() are bogus, from Weiping Pan
and Dan Carpenter
8) Fix bad merge resolution during 3.11 networking development in
openvswitch, albeit a harmless one which added some unreachable
code. From Jesse Gross
9) Wrong size used in flexible array allocation in openvswitch, from
Pravin B Shelar
10) Clear out firmware capability flags the be2net driver isn't ready to
handle yet, from Sarveshwar Bandi
11) Revert DMA mapping error checking addition to cxgb3 driver, it's
buggy. From Alexey Kardashevskiy
12) Fix regression in packet scheduler rate limiting when working with a
link layer of ATM. From Jesper Dangaard Brouer
13) Fix several errors in TCP Cubic congestion control, in particular
overflow errors in timestamp calculations. From Eric Dumazet and
Van Jacobson
14) In ipv6 routing lookups, we need to backtrack if subtree traversal
don't result in a match. From Hannes Frederic Sowa
15) ipgre_header() returns incorrect packet offset. Fix from Timo Teräs
16) Get "low latency" out of the new MIB counter names. From Eliezer
Tamir
17) State check in ndo_dflt_fdb_del() is inverted, from Sridhar
Samudrala
18) Handle TCP Fast Open properly in netfilter conntrack, from Yuchung
Cheng
19) Wrong memcpy length in pcan_usb driver, from Stephane Grosjean
20) Fix dealock in TIPC, from Wang Weidong and Ding Tianhong
21) call_rcu() call to destroy SCTP transport is done too early and
might result in an oops. From Daniel Borkmann
22) Fix races in genetlink family dumps, from Johannes Berg
23) Flags passed into macvlan by the user need to be validated properly,
from Michael S Tsirkin
24) Fix skge build on 32-bit, from Stephen Hemminger
25) Handle malformed TCP headers properly in xt_TCPMSS, from Pablo Neira
Ayuso
26) Fix handling of stacked vlans in vlan_dev_real_dev(), from Nikolay
Aleksandrov
27) Eliminate MTU calculation overflows in esp{4,6}, from Daniel
Borkmann
28) neigh_parms need to be setup before calling the ->ndo_neigh_setup()
method. From Veaceslav Falico
29) Kill out-of-bounds prefetch in fib_trie, from Eric Dumazet
30) Don't dereference MLD query message if the length isn't value in the
bridge multicast code, from Linus Lüssing
31) Fix VXLAN IGMP join regression due to an inverted check, from Cong
Wang
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (70 commits)
net/mlx5_core: Support MANAGE_PAGES and QUERY_PAGES firmware command changes
tun: signedness bug in tun_get_user()
qlcnic: Fix diagnostic interrupt test for 83xx adapters
qlcnic: Fix beacon state return status handling
qlcnic: Fix set driver version command
net: tg3: fix NULL pointer dereference in tg3_io_error_detected and tg3_io_slot_reset
net_sched: restore "linklayer atm" handling
drivers/net/ethernet/via/via-velocity.c: update napi implementation
Revert "cxgb3: Check and handle the dma mapping errors"
be2net: Clear any capability flags that driver is not interested in.
openvswitch: Reset tunnel key between input and output.
openvswitch: Use correct type while allocating flex array.
openvswitch: Fix bad merge resolution.
tun: compare with 0 instead of total_len
rtnetlink: rtnl_bridge_getlink: Call nlmsg_find_attr() with ifinfomsg header
ethernet/arc/arc_emac - fix NAPI "work > weight" warning
ip_tunnel: Do not use inner ip-header-id for tunnel ip-header-id.
bnx2x: prevent crash in shutdown flow with CNIC
bnx2x: fix PTE write access error
bnx2x: fix memory leak in VF
...
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In the previous QUERY_PAGES command version we used one command to get the
required amount of boot, init and post init pages. The new version uses the
op_mod field to specify whether the query is for the required amount of boot,
init or post init pages. In addition the output field size for the required
amount of pages increased from 16 to 32 bits.
In MANAGE_PAGES command the input_num_entries and output_num_entries fields
sizes changed from 16 to 32 bits and the PAS tables offset changed to 0x10.
In the pages request event the num_pages field also changed to 32 bits.
In the HCA-capabilities-layout the size and location of max_qp_mcg field has
been changed to support 24 bits.
This patch isn't compatible with firmware versions < 5; however, it turns out that the
first GA firmware we will publish will not support previous versions so this should be OK.
Signed-off-by: Moshe Lazer <moshel@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The recent fix d9bf5f1309 "tun: compare with 0 instead of total_len" is
not totally correct. Because "len" and "sizeof()" are size_t type, that
means they are never less than zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Do not allow interrupt test when adapter is resetting.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Driver was misinterpreting the return status for beacon
state query leading to incorrect interpretation of beacon
state and logging an error message for successful status.
Fixed the driver to properly interpret the return status.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver was issuing set driver version command through all
functions in the adapter. Fix the driver to issue set driver
version once per adapter, through function 0.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tg3_io_slot_reset
Commit d8af4dfd8 ("net/tg3: Fix kernel crash") introduced a possible
NULL pointer dereference in tg3 driver when !netdev || !netif_running(netdev)
condition is met and netdev is NULL. Then, the jump to the 'done' label
calls dev_close() with a netdevice that is NULL. Therefore, only call
dev_close() when we have a netdevice, but one that is not running.
[ Add the same checks in tg3_io_slot_reset() per Gavin Shan - by Nithin
Nayak Sujir ]
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 56b765b79 ("htb: improved accuracy at high rates")
broke the "linklayer atm" handling.
tc class add ... htb rate X ceil Y linklayer atm
The linklayer setting is implemented by modifying the rate table
which is send to the kernel. No direct parameter were
transferred to the kernel indicating the linklayer setting.
The commit 56b765b79 ("htb: improved accuracy at high rates")
removed the use of the rate table system.
To keep compatible with older iproute2 utils, this patch detects
the linklayer by parsing the rate table. It also supports future
versions of iproute2 to send this linklayer parameter to the
kernel directly. This is done by using the __reserved field in
struct tc_ratespec, to convey the choosen linklayer option, but
only using the lower 4 bits of this field.
Linklayer detection is limited to speeds below 100Mbit/s, because
at high rates the rtab is gets too inaccurate, so bad that
several fields contain the same values, this resembling the ATM
detect. Fields even start to contain "0" time to send, e.g. at
1000Mbit/s sending a 96 bytes packet cost "0", thus the rtab have
been more broken than we first realized.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch
Jesse Gross says:
====================
Three bug fixes that are fairly small either way but resolve obviously
incorrect code. For net/3.11.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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It doesn't make sense to output a tunnel packet using the same
parameters that it was received with since that will generally
just result in the packet going back to us. As a result, userspace
assumes that the tunnel key is cleared when transitioning through
the switch. In the majority of cases this doesn't matter since a
packet is either going to a tunnel port (in which the key is
overwritten with new values) or to a non-tunnel port (in which
case the key is ignored). However, it's theoreticaly possible that
userspace could rely on the documented behavior, so this corrects
it.
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Flex array is used to allocate hash buckets which is type struct
hlist_head, but we use `struct hlist_head *` to calculate
array size. Since hlist_head is of size pointer it works fine.
Following patch use correct type.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
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git silently included an extra hunk in vport_cmd_set() during
automatic merging. This code is unreachable so it does not actually
introduce a problem but it is clearly incorrect.
Signed-off-by: Jesse Gross <jesse@nicira.com>
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Drivers supporting NAPI should use a NAPI-specific function for receiving
packets. Hence netif_rx is changed to netif_receive_skb.
Furthermore netif_napi_del should be used in the probe and remove function
to clean up the NAPI resource information.
Thanks to Francois Romieu, David Shwatrz and Rami Rosen for their help on
this patch.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit f83331bab149e29fa2c49cf102c0cd8c3f1ce9f9.
As the tests PPC64 (powernv platform) show, IOMMU pages are leaking
when transferring big amount of small packets (<=64 bytes),
"ping -f" and waiting for 15 seconds is the simplest way to confirm the bug.
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Santosh Rastapur <santosh@chelsio.com>
Cc: Jay Fenlason <fenlason@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Divy Le ray <divy@chelsio.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is possible for some versions of firmware to advertise capabilities that driver
is not ready to handle. This may lead to controller stall. Since the driver is
interested only in subset of flags, clearing the rest.
Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since we set "len = total_len" in the beginning of tun_get_user(),
so we should compare the new len with 0, instead of total_len,
or the if statement always returns false.
Signed-off-by: Weiping Pan <wpan@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the iproute2 command `bridge vlan show`, after switching from
rtgenmsg to ifinfomsg.
Let's start with a little history:
Feb 20: Vlad Yasevich got his VLAN-aware bridge patchset included in
the 3.9 merge window.
In the kernel commit 6cbdceeb, he added attribute support to
bridge GETLINK requests sent with rtgenmsg.
Mar 6th: Vlad got this iproute2 reference implementation of the bridge
vlan netlink interface accepted (iproute2 9eff0e5c)
Apr 25th: iproute2 switched from using rtgenmsg to ifinfomsg (63338dca)
http://patchwork.ozlabs.org/patch/239602/
http://marc.info/?t=136680900700007
Apr 28th: Linus released 3.9
Apr 30th: Stephen released iproute2 3.9.0
The `bridge vlan show` command haven't been working since the switch to
ifinfomsg, or in a released version of iproute2. Since the kernel side
only supports rtgenmsg, which iproute2 switched away from just prior to
the iproute2 3.9.0 release.
I haven't been able to find any documentation, about neither rtgenmsg
nor ifinfomsg, and in which situation to use which, but kernel commit
88c5b5ce seams to suggest that ifinfomsg should be used.
Fixing this in kernel will break compatibility, but I doubt that anybody
have been using it due to this bug in the user space reference
implementation, at least not without noticing this bug. That said the
functionality is still fully functional in 3.9, when reversing iproute2
commit 63338dca.
This could also be fixed in iproute2, but thats an ugly patch that would
reintroduce rtgenmsg in iproute2, and from searching in netdev it seams
like rtgenmsg usage is discouraged. I'm assuming that the only reason
that Vlad implemented the kernel side to use rtgenmsg, was because
iproute2 was using it at the time.
Signed-off-by: Asbjoern Sloth Toennesen <ast@fiberby.net>
Reviewed-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Initially I improperly set a boundary for maximum number of input
packets to process on NAPI poll ("work") so it might be more than
expected amount ("weight").
This was really harmless but seeing WARN_ON_ONCE on every device boot is
not nice. So trivial fix ("<" instead of "<=") is here.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Mischa Jonker <mjonker@synopsys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using inner-id for tunnel id is not safe in some rare cases.
E.g. packets coming from multiple sources entering same tunnel
can have same id. Therefore on tunnel packet receive we
could have packets from two different stream but with same
source and dst IP with same ip-id which could confuse ip packet
reassembly.
Following patch reverts optimization from commit
490ab08127 (IP_GRE: Fix IP-Identification.)
CC: Jarno Rajahalme <jrajahalme@nicira.com>
CC: Ansis Atteka <aatteka@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dmitry Kravkov says:
====================
Please consider applying the series of bnx2x fixes to net:
* statistics may cause FW assert
* missing fairness configuration in DCB flow
* memory leak in sriov related part
* Illegal PTE access
* Pagefault crash in shutdown flow with cnic
v1->v2
* fixed sparse error pointed by Joe Perches
* added missing signed-off from Sergei Shtylyov
v2->v3
* added missing signed-off from Sergei Shtylyov
* fixed formatting from Sergei Shtylyov
v3->v4
* patch 1/6: fixed declaration order
* patch 2/6 replaced with: protect flows using set_bit constraints
v4->v5
* patch 2/6: replace proprietary locking with semaphore
* droped 1/6: since adds redundant code from Benjamin Poirier
The following patchset contains four netfilter fixes, they are:
* Fix possible invalid access and mangling of the TCPMSS option in
xt_TCPMSS. This was spotted by Julian Anastasov.
* Fix possible off by one access and mangling of the TCP packet in
xt_TCPOPTSTRIP, also spotted by Julian Anastasov.
* Fix possible information leak due to missing initialization of one
padding field of several structures that are included in nfqueue and
nflog netlink messages, from Dan Carpenter.
* Fix TCP window tracking with Fast Open, from Yuchung Cheng.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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There might be a crash as during shutdown flow CNIC might try
to access resources already freed by bnx2x.
Change bnx2x_close() into dev_close() in __bnx2x_remove (shutdown flow)
to guarantee CNIC is notified of the device's change of status.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PTE write access error might occur in MF_ALLOWED mode when IOMMU
is active. The patch adds rmmod HSI indicating to MFW to stop
running queries which might trigger this failure.
Signed-off-by: Barak Witkowsky <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ETS can be enabled as a result of DCB negotiation, then
fairness must be recalculated after each negotiation.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add locking to protect different statistics flows from
running simultaneously.
This in order to serialize statistics requests sent to FW,
otherwise two outstanding queries may cause FW assert.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove Andrew Gallatin, as he is no longer with Myricom. Add
Hyong-Youb Kim as the new maintainer. Update the website URL.
Signed-off-by: Hyong-Youb Kim <hykim@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The DMA sync should sync the whole receive buffer, not just
part of it. Fixes log messages dma_sync_check.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When dumping generic netlink families, only the first dump call
is locked with genl_lock(), which protects the list of families,
and thus subsequent calls can access the data without locking,
racing against family addition/removal. This can cause a crash.
Fix it - the locking needs to be conditional because the first
time around it's already locked.
A similar bug was reported to me on an old kernel (3.4.47) but
the exact scenario that happened there is no longer possible,
on those kernels the first round wasn't locked either. Looking
at the current code I found the race described above, which had
also existed on the old kernel.
Cc: stable@vger.kernel.org
Reported-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Probably this one is quite unlikely to be triggered, but it's more safe
to do the call_rcu() at the end after we have dropped the reference on
the asoc and freed sctp packet chunks. The reason why is because in
sctp_transport_destroy_rcu() the transport is being kfree()'d, and if
we're unlucky enough we could run into corrupted pointers. Probably
that's more of theoretical nature, but it's safer to have this simple fix.
Introduced by commit 8c98653f ("sctp: sctp_close: fix release of bindings
for deferred call_rcu's"). I also did the 8c98653f regression test and
it's fine that way.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SCTP Quick failover draft [1] section 5.1, point 5 says that the cwnd
should be 1 MTU. So, instead of 1, set it to 1 MTU.
[1] https://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
Reported-by: Karl Heiss <kheiss@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In stmmac_init_rx_buffers():
* add missing handling of dma_map_single() error
* remove superfluous unlikely() optimization while at it
Add stmmac_free_rx_buffers() helper and use it in dma_free_rx_skbufs().
In init_dma_desc_rings():
* add missing handling of kmalloc_array() errors
* fix handling of dma_alloc_coherent() and stmmac_init_rx_buffers() errors
* make function return an error value on error and 0 on success
In stmmac_open():
* add handling of init_dma_desc_rings() return value
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We met lockdep warning when enable and disable the bearer for commands such as:
tipc-config -netid=1234 -addr=1.1.3 -be=eth:eth0
tipc-config -netid=1234 -addr=1.1.3 -bd=eth:eth0
---------------------------------------------------
[ 327.693595] ======================================================
[ 327.693994] [ INFO: possible circular locking dependency detected ]
[ 327.694519] 3.11.0-rc3-wwd-default #4 Tainted: G O
[ 327.694882] -------------------------------------------------------
[ 327.695385] tipc-config/5825 is trying to acquire lock:
[ 327.695754] (((timer))#2){+.-...}, at: [<ffffffff8105be80>] del_timer_sync+0x0/0xd0
[ 327.696018]
[ 327.696018] but task is already holding lock:
[ 327.696018] (&(&b_ptr->lock)->rlock){+.-...}, at: [<ffffffffa02be58d>] bearer_disable+ 0xdd/0x120 [tipc]
[ 327.696018]
[ 327.696018] which lock already depends on the new lock.
[ 327.696018]
[ 327.696018]
[ 327.696018] the existing dependency chain (in reverse order) is:
[ 327.696018]
[ 327.696018] -> #1 (&(&b_ptr->lock)->rlock){+.-...}:
[ 327.696018] [<ffffffff810b3b4d>] validate_chain+0x6dd/0x870
[ 327.696018] [<ffffffff810b40bb>] __lock_acquire+0x3db/0x670
[ 327.696018] [<ffffffff810b4453>] lock_acquire+0x103/0x130
[ 327.696018] [<ffffffff814d65b1>] _raw_spin_lock_bh+0x41/0x80
[ 327.696018] [<ffffffffa02c5d48>] disc_timeout+0x18/0xd0 [tipc]
[ 327.696018] [<ffffffff8105b92a>] call_timer_fn+0xda/0x1e0
[ 327.696018] [<ffffffff8105bcd7>] run_timer_softirq+0x2a7/0x2d0
[ 327.696018] [<ffffffff8105379a>] __do_softirq+0x16a/0x2e0
[ 327.696018] [<ffffffff81053a35>] irq_exit+0xd5/0xe0
[ 327.696018] [<ffffffff81033005>] smp_apic_timer_interrupt+0x45/0x60
[ 327.696018] [<ffffffff814df4af>] apic_timer_interrupt+0x6f/0x80
[ 327.696018] [<ffffffff8100b70e>] arch_cpu_idle+0x1e/0x30
[ 327.696018] [<ffffffff810a039d>] cpu_idle_loop+0x1fd/0x280
[ 327.696018] [<ffffffff810a043e>] cpu_startup_entry+0x1e/0x20
[ 327.696018] [<ffffffff81031589>] start_secondary+0x89/0x90
[ 327.696018]
[ 327.696018] -> #0 (((timer))#2){+.-...}:
[ 327.696018] [<ffffffff810b33fe>] check_prev_add+0x43e/0x4b0
[ 327.696018] [<ffffffff810b3b4d>] validate_chain+0x6dd/0x870
[ 327.696018] [<ffffffff810b40bb>] __lock_acquire+0x3db/0x670
[ 327.696018] [<ffffffff810b4453>] lock_acquire+0x103/0x130
[ 327.696018] [<ffffffff8105bebd>] del_timer_sync+0x3d/0xd0
[ 327.696018] [<ffffffffa02c5855>] tipc_disc_delete+0x15/0x30 [tipc]
[ 327.696018] [<ffffffffa02be59f>] bearer_disable+0xef/0x120 [tipc]
[ 327.696018] [<ffffffffa02be74f>] tipc_disable_bearer+0x2f/0x60 [tipc]
[ 327.696018] [<ffffffffa02bfb32>] tipc_cfg_do_cmd+0x2e2/0x550 [tipc]
[ 327.696018] [<ffffffffa02c8c79>] handle_cmd+0x49/0xe0 [tipc]
[ 327.696018] [<ffffffff8143e898>] genl_family_rcv_msg+0x268/0x340
[ 327.696018] [<ffffffff8143ed30>] genl_rcv_msg+0x70/0xd0
[ 327.696018] [<ffffffff8143d4c9>] netlink_rcv_skb+0x89/0xb0
[ 327.696018] [<ffffffff8143e617>] genl_rcv+0x27/0x40
[ 327.696018] [<ffffffff8143d21e>] netlink_unicast+0x15e/0x1b0
[ 327.696018] [<ffffffff8143ddcf>] netlink_sendmsg+0x22f/0x400
[ 327.696018] [<ffffffff813f7836>] __sock_sendmsg+0x66/0x80
[ 327.696018] [<ffffffff813f7957>] sock_aio_write+0x107/0x120
[ 327.696018] [<ffffffff8117f76d>] do_sync_write+0x7d/0xc0
[ 327.696018] [<ffffffff8117fc56>] vfs_write+0x186/0x190
[ 327.696018] [<ffffffff811803e0>] SyS_write+0x60/0xb0
[ 327.696018] [<ffffffff814de852>] system_call_fastpath+0x16/0x1b
[ 327.696018]
[ 327.696018] other info that might help us debug this:
[ 327.696018]
[ 327.696018] Possible unsafe locking scenario:
[ 327.696018]
[ 327.696018] CPU0 CPU1
[ 327.696018] ---- ----
[ 327.696018] lock(&(&b_ptr->lock)->rlock);
[ 327.696018] lock(((timer))#2);
[ 327.696018] lock(&(&b_ptr->lock)->rlock);
[ 327.696018] lock(((timer))#2);
[ 327.696018]
[ 327.696018] *** DEADLOCK ***
[ 327.696018]
[ 327.696018] 5 locks held by tipc-config/5825:
[ 327.696018] #0: (cb_lock){++++++}, at: [<ffffffff8143e608>] genl_rcv+0x18/0x40
[ 327.696018] #1: (genl_mutex){+.+.+.}, at: [<ffffffff8143ed66>] genl_rcv_msg+0xa6/0xd0
[ 327.696018] #2: (config_mutex){+.+.+.}, at: [<ffffffffa02bf889>] tipc_cfg_do_cmd+0x39/ 0x550 [tipc]
[ 327.696018] #3: (tipc_net_lock){++.-..}, at: [<ffffffffa02be738>] tipc_disable_bearer+ 0x18/0x60 [tipc]
[ 327.696018] #4: (&(&b_ptr->lock)->rlock){+.-...}, at: [<ffffffffa02be58d>] bearer_disable+0xdd/0x120 [tipc]
[ 327.696018]
[ 327.696018] stack backtrace:
[ 327.696018] CPU: 2 PID: 5825 Comm: tipc-config Tainted: G O 3.11.0-rc3-wwd- default #4
[ 327.696018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
[ 327.696018] 00000000ffffffff ffff880037fa77a8 ffffffff814d03dd 0000000000000000
[ 327.696018] ffff880037fa7808 ffff880037fa77e8 ffffffff810b1c4f 0000000037fa77e8
[ 327.696018] ffff880037fa7808 ffff880037e4db40 0000000000000000 ffff880037e4e318
[ 327.696018] Call Trace:
[ 327.696018] [<ffffffff814d03dd>] dump_stack+0x4d/0xa0
[ 327.696018] [<ffffffff810b1c4f>] print_circular_bug+0x10f/0x120
[ 327.696018] [<ffffffff810b33fe>] check_prev_add+0x43e/0x4b0
[ 327.696018] [<ffffffff810b3b4d>] validate_chain+0x6dd/0x870
[ 327.696018] [<ffffffff81087a28>] ? sched_clock_cpu+0xd8/0x110
[ 327.696018] [<ffffffff810b40bb>] __lock_acquire+0x3db/0x670
[ 327.696018] [<ffffffff810b4453>] lock_acquire+0x103/0x130
[ 327.696018] [<ffffffff8105be80>] ? try_to_del_timer_sync+0x70/0x70
[ 327.696018] [<ffffffff8105bebd>] del_timer_sync+0x3d/0xd0
[ 327.696018] [<ffffffff8105be80>] ? try_to_del_timer_sync+0x70/0x70
[ 327.696018] [<ffffffffa02c5855>] tipc_disc_delete+0x15/0x30 [tipc]
[ 327.696018] [<ffffffffa02be59f>] bearer_disable+0xef/0x120 [tipc]
[ 327.696018] [<ffffffffa02be74f>] tipc_disable_bearer+0x2f/0x60 [tipc]
[ 327.696018] [<ffffffffa02bfb32>] tipc_cfg_do_cmd+0x2e2/0x550 [tipc]
[ 327.696018] [<ffffffff81218783>] ? security_capable+0x13/0x20
[ 327.696018] [<ffffffffa02c8c79>] handle_cmd+0x49/0xe0 [tipc]
[ 327.696018] [<ffffffff8143e898>] genl_family_rcv_msg+0x268/0x340
[ 327.696018] [<ffffffff8143ed30>] genl_rcv_msg+0x70/0xd0
[ 327.696018] [<ffffffff8143ecc0>] ? genl_lock+0x20/0x20
[ 327.696018] [<ffffffff8143d4c9>] netlink_rcv_skb+0x89/0xb0
[ 327.696018] [<ffffffff8143e608>] ? genl_rcv+0x18/0x40
[ 327.696018] [<ffffffff8143e617>] genl_rcv+0x27/0x40
[ 327.696018] [<ffffffff8143d21e>] netlink_unicast+0x15e/0x1b0
[ 327.696018] [<ffffffff81289d7c>] ? memcpy_fromiovec+0x6c/0x90
[ 327.696018] [<ffffffff8143ddcf>] netlink_sendmsg+0x22f/0x400
[ 327.696018] [<ffffffff813f7836>] __sock_sendmsg+0x66/0x80
[ 327.696018] [<ffffffff813f7957>] sock_aio_write+0x107/0x120
[ 327.696018] [<ffffffff813fe29c>] ? release_sock+0x8c/0xa0
[ 327.696018] [<ffffffff8117f76d>] do_sync_write+0x7d/0xc0
[ 327.696018] [<ffffffff8117fa24>] ? rw_verify_area+0x54/0x100
[ 327.696018] [<ffffffff8117fc56>] vfs_write+0x186/0x190
[ 327.696018] [<ffffffff811803e0>] SyS_write+0x60/0xb0
[ 327.696018] [<ffffffff814de852>] system_call_fastpath+0x16/0x1b
-----------------------------------------------------------------------
The problem is that the tipc_link_delete() will cancel the timer disc_timeout() when
the b_ptr->lock is hold, but the disc_timeout() still call b_ptr->lock to finish the
work, so the dead lock occurs.
We should unlock the b_ptr->lock when del the disc_timeout().
Remove link_timeout() still met the same problem, the patch:
http://article.gmane.org/gmane.network.tipc.general/4380
fix the problem, so no need to send patch for fix link_timeout() deadlock warming.
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix possibly wrong memcpy() bytes length since some CAN records received from
PCAN-USB could define a DLC field in range [9..15].
In that case, the real DLC value MUST be used to move forward the record pointer
but, only 8 bytes max. MUST be copied into the data field of the struct
can_frame object of the skb given to the network core.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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