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-rw-r--r--include/linux/bio.h1
-rw-r--r--include/linux/bvec.h22
-rw-r--r--include/linux/can/dev.h34
-rw-r--r--include/linux/dmaengine.h5
-rw-r--r--include/linux/if_ether.h8
-rw-r--r--include/linux/kernel.h9
-rw-r--r--include/linux/memory_hotplug.h7
-rw-r--r--include/linux/mfd/mt6397/rtc.h8
-rw-r--r--include/linux/mtd/flashchip.h2
-rw-r--r--include/linux/of_mdio.h2
-rw-r--r--include/linux/posix-clock.h19
-rw-r--r--include/linux/spi/spi.h4
-rw-r--r--include/linux/sxgbe_platform.h2
-rw-r--r--include/linux/syscalls.h1
14 files changed, 77 insertions, 47 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 3cdb84cdc488..853d92ceee64 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -470,6 +470,7 @@ extern struct bio *bio_copy_user_iov(struct request_queue *,
gfp_t);
extern int bio_uncopy_user(struct bio *);
void zero_fill_bio_iter(struct bio *bio, struct bvec_iter iter);
+void bio_truncate(struct bio *bio, unsigned new_size);
static inline void zero_fill_bio(struct bio *bio)
{
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 679a42253170..a81c13ac1972 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -153,26 +153,4 @@ static inline void bvec_advance(const struct bio_vec *bvec,
}
}
-/*
- * Get the last single-page segment from the multi-page bvec and store it
- * in @seg
- */
-static inline void mp_bvec_last_segment(const struct bio_vec *bvec,
- struct bio_vec *seg)
-{
- unsigned total = bvec->bv_offset + bvec->bv_len;
- unsigned last_page = (total - 1) / PAGE_SIZE;
-
- seg->bv_page = bvec->bv_page + last_page;
-
- /* the whole segment is inside the last page */
- if (bvec->bv_offset >= last_page * PAGE_SIZE) {
- seg->bv_offset = bvec->bv_offset % PAGE_SIZE;
- seg->bv_len = bvec->bv_len;
- } else {
- seg->bv_offset = 0;
- seg->bv_len = total - last_page * PAGE_SIZE;
- }
-}
-
#endif /* __LINUX_BVEC_ITER_H */
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 9b3c720a31b1..5e3d45525bd3 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -18,6 +18,7 @@
#include <linux/can/error.h>
#include <linux/can/led.h>
#include <linux/can/netlink.h>
+#include <linux/can/skb.h>
#include <linux/netdevice.h>
/*
@@ -91,6 +92,36 @@ struct can_priv {
#define get_can_dlc(i) (min_t(__u8, (i), CAN_MAX_DLC))
#define get_canfd_dlc(i) (min_t(__u8, (i), CANFD_MAX_DLC))
+/* Check for outgoing skbs that have not been created by the CAN subsystem */
+static inline bool can_skb_headroom_valid(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ /* af_packet creates a headroom of HH_DATA_MOD bytes which is fine */
+ if (WARN_ON_ONCE(skb_headroom(skb) < sizeof(struct can_skb_priv)))
+ return false;
+
+ /* af_packet does not apply CAN skb specific settings */
+ if (skb->ip_summed == CHECKSUM_NONE) {
+ /* init headroom */
+ can_skb_prv(skb)->ifindex = dev->ifindex;
+ can_skb_prv(skb)->skbcnt = 0;
+
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+ /* preform proper loopback on capable devices */
+ if (dev->flags & IFF_ECHO)
+ skb->pkt_type = PACKET_LOOPBACK;
+ else
+ skb->pkt_type = PACKET_HOST;
+
+ skb_reset_mac_header(skb);
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
+ }
+
+ return true;
+}
+
/* Drop a given socketbuffer if it does not contain a valid CAN frame. */
static inline bool can_dropped_invalid_skb(struct net_device *dev,
struct sk_buff *skb)
@@ -108,6 +139,9 @@ static inline bool can_dropped_invalid_skb(struct net_device *dev,
} else
goto inval_skb;
+ if (!can_skb_headroom_valid(dev, skb))
+ goto inval_skb;
+
return false;
inval_skb:
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 8fcdee1c0cf9..dad4a68fa009 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -1364,8 +1364,11 @@ static inline int dma_get_slave_caps(struct dma_chan *chan,
static inline int dmaengine_desc_set_reuse(struct dma_async_tx_descriptor *tx)
{
struct dma_slave_caps caps;
+ int ret;
- dma_get_slave_caps(tx->chan, &caps);
+ ret = dma_get_slave_caps(tx->chan, &caps);
+ if (ret)
+ return ret;
if (caps.descriptor_reuse) {
tx->flags |= DMA_CTRL_REUSE;
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 76cf11e905e1..8a9792a6427a 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -24,6 +24,14 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
return (struct ethhdr *)skb_mac_header(skb);
}
+/* Prefer this version in TX path, instead of
+ * skb_reset_mac_header() + eth_hdr()
+ */
+static inline struct ethhdr *skb_eth_hdr(const struct sk_buff *skb)
+{
+ return (struct ethhdr *)skb->data;
+}
+
static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb)
{
return (struct ethhdr *)skb_inner_mac_header(skb);
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 3adcb39fa6f5..0d9db2a14f44 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -79,15 +79,6 @@
*/
#define round_down(x, y) ((x) & ~__round_mask(x, y))
-/**
- * FIELD_SIZEOF - get the size of a struct's field
- * @t: the target struct
- * @f: the target struct's field
- * Return: the size of @f in the struct definition without having a
- * declared instance of @t.
- */
-#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
-
#define typeof_member(T, m) typeof(((T*)0)->m)
#define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 3a08ecdfca11..ba0dca6aac6e 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -122,8 +122,8 @@ static inline bool movable_node_is_enabled(void)
extern void arch_remove_memory(int nid, u64 start, u64 size,
struct vmem_altmap *altmap);
-extern void __remove_pages(struct zone *zone, unsigned long start_pfn,
- unsigned long nr_pages, struct vmem_altmap *altmap);
+extern void __remove_pages(unsigned long start_pfn, unsigned long nr_pages,
+ struct vmem_altmap *altmap);
/* reasonably generic interface to expand the physical pages */
extern int __add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages,
@@ -342,6 +342,9 @@ extern int add_memory(int nid, u64 start, u64 size);
extern int add_memory_resource(int nid, struct resource *resource);
extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
unsigned long nr_pages, struct vmem_altmap *altmap);
+extern void remove_pfn_range_from_zone(struct zone *zone,
+ unsigned long start_pfn,
+ unsigned long nr_pages);
extern bool is_memblock_offlined(struct memory_block *mem);
extern int sparse_add_section(int nid, unsigned long pfn,
unsigned long nr_pages, struct vmem_altmap *altmap);
diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h
index f84b9163c0ee..7dfb63b81373 100644
--- a/include/linux/mfd/mt6397/rtc.h
+++ b/include/linux/mfd/mt6397/rtc.h
@@ -46,6 +46,14 @@
#define RTC_AL_SEC 0x0018
+#define RTC_AL_SEC_MASK 0x003f
+#define RTC_AL_MIN_MASK 0x003f
+#define RTC_AL_HOU_MASK 0x001f
+#define RTC_AL_DOM_MASK 0x001f
+#define RTC_AL_DOW_MASK 0x0007
+#define RTC_AL_MTH_MASK 0x000f
+#define RTC_AL_YEA_MASK 0x007f
+
#define RTC_PDN2 0x002e
#define RTC_PDN2_PWRON_ALARM BIT(4)
diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h
index ecc88a41792a..c04f690871ca 100644
--- a/include/linux/mtd/flashchip.h
+++ b/include/linux/mtd/flashchip.h
@@ -40,7 +40,7 @@ typedef enum {
FL_READING,
FL_CACHEDPRG,
/* These 4 come from onenand_state_t, which has been unified here */
- FL_RESETING,
+ FL_RESETTING,
FL_OTPING,
FL_PREPARING_ERASE,
FL_VERIFYING_ERASE,
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 79bc82e30c02..491a2b7e77c1 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -55,7 +55,7 @@ static inline int of_mdio_parse_addr(struct device *dev,
}
#else /* CONFIG_OF_MDIO */
-static bool of_mdiobus_child_is_phy(struct device_node *child)
+static inline bool of_mdiobus_child_is_phy(struct device_node *child)
{
return false;
}
diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h
index fe6cfdcfbc26..468328b1e1dd 100644
--- a/include/linux/posix-clock.h
+++ b/include/linux/posix-clock.h
@@ -69,29 +69,32 @@ struct posix_clock_operations {
*
* @ops: Functional interface to the clock
* @cdev: Character device instance for this clock
- * @kref: Reference count.
+ * @dev: Pointer to the clock's device.
* @rwsem: Protects the 'zombie' field from concurrent access.
* @zombie: If 'zombie' is true, then the hardware has disappeared.
- * @release: A function to free the structure when the reference count reaches
- * zero. May be NULL if structure is statically allocated.
*
* Drivers should embed their struct posix_clock within a private
* structure, obtaining a reference to it during callbacks using
* container_of().
+ *
+ * Drivers should supply an initialized but not exposed struct device
+ * to posix_clock_register(). It is used to manage lifetime of the
+ * driver's private structure. It's 'release' field should be set to
+ * a release function for this private structure.
*/
struct posix_clock {
struct posix_clock_operations ops;
struct cdev cdev;
- struct kref kref;
+ struct device *dev;
struct rw_semaphore rwsem;
bool zombie;
- void (*release)(struct posix_clock *clk);
};
/**
* posix_clock_register() - register a new clock
- * @clk: Pointer to the clock. Caller must provide 'ops' and 'release'
- * @devid: Allocated device id
+ * @clk: Pointer to the clock. Caller must provide 'ops' field
+ * @dev: Pointer to the initialized device. Caller must provide
+ * 'release' field
*
* A clock driver calls this function to register itself with the
* clock device subsystem. If 'clk' points to dynamically allocated
@@ -100,7 +103,7 @@ struct posix_clock {
*
* Returns zero on success, non-zero otherwise.
*/
-int posix_clock_register(struct posix_clock *clk, dev_t devid);
+int posix_clock_register(struct posix_clock *clk, struct device *dev);
/**
* posix_clock_unregister() - unregister a clock
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 98fe8663033a..3a67a7e45633 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -689,10 +689,10 @@ extern void spi_finalize_current_transfer(struct spi_controller *ctlr);
/* Helper calls for driver to timestamp transfer */
void spi_take_timestamp_pre(struct spi_controller *ctlr,
struct spi_transfer *xfer,
- const void *tx, bool irqs_off);
+ size_t progress, bool irqs_off);
void spi_take_timestamp_post(struct spi_controller *ctlr,
struct spi_transfer *xfer,
- const void *tx, bool irqs_off);
+ size_t progress, bool irqs_off);
/* the spi driver core manages memory for the spi_controller classdev */
extern struct spi_controller *__spi_alloc_controller(struct device *host,
diff --git a/include/linux/sxgbe_platform.h b/include/linux/sxgbe_platform.h
index 85ec745767bd..966146f7267a 100644
--- a/include/linux/sxgbe_platform.h
+++ b/include/linux/sxgbe_platform.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * 10G controller driver for Samsung EXYNOS SoCs
+ * 10G controller driver for Samsung Exynos SoCs
*
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 2960dedcfde8..5262b7a76d39 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -1232,6 +1232,7 @@ asmlinkage long sys_ni_syscall(void);
*/
int ksys_umount(char __user *name, int flags);
+int ksys_dup(unsigned int fildes);
int ksys_chroot(const char __user *filename);
ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
int ksys_chdir(const char __user *filename);
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