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Xuan Zhuo 8fb7da9e99 virtio_net: get build_skb() buf by data ptr 
In the case of merge, the page passed into page_to_skb() may be a head
page, not the page where the current data is located. So when trying to
get the buf where the data is located, we should get buf based on
headroom instead of offset.

This patch solves this problem. But if you don't use this patch, the
original code can also run, because if the page is not the page of the
current data, the calculated tailroom will be less than 0, and will not
enter the logic of build_skb() . The significance of this patch is to
modify this logical problem, allowing more situations to use
build_skb().

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-01 15:24:11 -07:00
..
accessibility
TTY/Serial driver updates for 5.13-rc1
2021-04-26 11:20:10 -07:00
acpi
libnvdimm fixes for 5.13-rc2
2021-05-15 08:32:51 -07:00
amba
…
android
binder: Return EFAULT if we fail BINDER_ENABLE_ONEWAY_SPAM_DETECTION
2021-05-13 20:35:26 +02:00
ata
pci-v5.13-changes
2021-05-05 13:24:11 -07:00
atm
atm: firestream: Use fallthrough pseudo-keyword
2021-05-07 16:01:08 -07:00
auxdisplay
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
base
Driver core fixes for 5.13-rc2
2021-05-16 10:13:14 -07:00
bcma
bcma: remove unused function
2021-04-18 09:36:56 +03:00
block
block-5.13-2021-05-14
2021-05-15 08:52:30 -07:00
bluetooth
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
bus
ARM: SoC drivers for v5.13
2021-04-26 12:11:52 -07:00
cdrom
cdrom: gdrom: initialize global variable at init time
2021-05-13 18:58:44 +02:00
char
Char/misc driver fixes for 5.13-rc3
2021-05-20 06:31:52 -10:00
clk
clk: Skip clk provider registration when np is NULL
2021-05-11 08:47:25 +02:00
clocksource
clocksource/drivers/hyper-v: Re-enable VDSO_CLOCKMODE_HVCLOCK on X86
2021-05-14 14:55:13 +02:00
comedi
staging: comedi: move out of staging directory
2021-04-15 09:26:25 +02:00
connector
…
counter
…
cpufreq
Fix an idle CPU selection bug, and an AMD Ryzen maximum frequency enumeration bug.
2021-05-15 10:24:48 -07:00
cpuidle
…
crypto
Revert "crypto: cavium/nitrox - add an error message to explain the failure of pci_request_mem_regions"
2021-05-13 17:23:05 +02:00
cxl
cxl/mem: Fix memory device capacity probing
2021-04-16 18:21:56 -07:00
dax
…
dca
…
devfreq
…
dio
…
dma
dmaengine: qcom_hidma: comment platform_driver_register call
2021-05-13 18:32:29 +02:00
dma-buf
dma-buf: fix unintended pin/unpin warnings
2021-05-20 14:02:27 +02:00
edac
x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
2021-05-10 07:51:38 +02:00
eisa
…
extcon
- Core Frameworks
2021-04-28 15:59:13 -07:00
firewire
The usual updates from the irq departement:
2021-04-26 09:43:16 -07:00
firmware
ARM: SoC fixes for 5.13
2021-05-20 14:46:26 -10:00
fpga
ARM: SoC drivers for v5.13
2021-04-26 12:11:52 -07:00
fsi
…
gnss
…
gpio
gpio: tegra186: Don't set parent IRQ affinity
2021-05-12 13:56:43 +02:00
gpu
drm fixes for 5.13-rc3
2021-05-20 20:15:43 -10:00
greybus
greybus: es2: fix kernel-doc warnings
2021-04-16 07:26:50 +02:00
hid
Merge branch 'for-5.13/warnings' into for-linus
2021-04-29 21:47:22 +02:00
hsi
HSI: core: fix resource leaks in hsi_add_client_from_dt()
2021-04-16 00:14:49 +02:00
hv
printk changes for 5.13
2021-04-27 18:09:44 -07:00
hwmon
Char/misc driver fixes for 5.13-rc3
2021-05-20 06:31:52 -10:00
hwspinlock
…
hwtracing
ARM:
2021-05-01 10:14:08 -07:00
i2c
Merge branch 'i2c/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2021-04-30 13:01:02 -07:00
i3c
Revert "i3c master: fix missing destroy_workqueue() on error in i3c_master_register"
2021-04-24 22:21:01 +02:00
ide
…
idle
…
iio
iio: tsl2583: Fix division by a zero lux_val
2021-05-10 14:01:48 +01:00
infiniband
Networking fixes for 5.13-rc4, including fixes from bpf, netfilter,
2021-05-26 17:44:49 -10:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2021-05-06 23:37:55 -07:00
interconnect
CFI on arm64 series for v5.13-rc1
2021-04-27 10:16:46 -07:00
iommu
pci-v5.13-changes
2021-05-05 13:24:11 -07:00
ipack
…
irqchip
irqchip: Remove redundant error printing
2021-05-16 13:07:18 +01:00
isdn
Networking fixes for 5.13-rc4, including fixes from bpf, netfilter,
2021-05-26 17:44:49 -10:00
leds
leds: lp5523: check return value of lp5xx_read and jump to cleanup code
2021-05-13 17:30:15 +02:00
lightnvm
lightnvm: deprecated OCSSD support and schedule it for removal in Linux 5.15
2021-04-13 09:16:12 -06:00
macintosh
macintosh/via-pmu: Fix build warning
2021-04-16 23:57:51 +10:00
mailbox
- qcom: enable support for SM8350 and SC7280
2021-04-28 16:10:33 -07:00
mcb
…
md
dm integrity: fix sparse warnings
2021-05-13 14:53:49 -04:00
media
media: gspca: properly check for errors in po1030_probe()
2021-05-13 18:58:32 +02:00
memory
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
memstick
memstick: r592: ignore kfifo_out() return code again
2021-04-26 11:08:23 +02:00
message
scsi: message: fusion: Remove unused local variable 'vtarget'
2021-04-13 01:39:12 -04:00
mfd
- Core Frameworks
2021-04-28 15:59:13 -07:00
misc
platform-drivers-x86 for v5.13-2
2021-05-20 06:40:20 -10:00
mmc
mmc: sdhci-pci-gli: increase 1.8V regulator wait
2021-05-10 14:39:06 +02:00
most
Staging/IIO driver updates for 5.13-rc1
2021-04-26 11:14:21 -07:00
mtd
mtd: parsers: ofpart: fix parsing subpartitions
2021-05-10 18:34:30 +02:00
mux
…
net
virtio_net: get build_skb() buf by data ptr
2021-06-01 15:24:11 -07:00
nfc
NFC: nfcmrvl: fix kernel-doc syntax in file headers
2021-05-23 17:26:38 -07:00
ntb
…
nubus
…
nvdimm
include: remove pagemap.h from blkdev.h
2021-05-06 19:24:11 -07:00
nvme
nvme-fc: clear q_live at beginning of association teardown
2021-05-19 08:40:24 +02:00
nvmem
…
of
of: overlay: Remove redundant assignment to ret
2021-05-03 13:57:56 -05:00
opp
…
parisc
…
parport
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
pci
more s390 updates for 5.13 merge window
2021-05-06 14:39:50 -07:00
pcmcia
…
perf
ARM:
2021-05-01 10:14:08 -07:00
phy
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
pinctrl
linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
2021-05-09 00:29:45 +09:00
platform
platform/x86: touchscreen_dmi: Add info for the Chuwi Hi10 Pro (CWI529) tablet
2021-05-20 14:11:03 +02:00
pnp
…
power
power supply and reset changes for the v5.13 series
2021-04-28 15:43:58 -07:00
powercap
…
pps
TTY/Serial driver updates for 5.13-rc1
2021-04-26 11:20:10 -07:00
ps3
…
ptp
ptp: ocp: Fix a resource leak in an error handling path
2021-05-12 14:06:33 -07:00
pwm
pwm: Changes for v5.13-rc1
2021-05-05 12:53:16 -07:00
rapidio
rapidio: handle create_workqueue() failure
2021-05-13 18:32:19 +02:00
ras
…
regulator
- Core Frameworks
2021-04-28 15:59:13 -07:00
remoteproc
remoteproc updates for v5.13
2021-05-04 11:13:33 -07:00
reset
pci-v5.13-changes
2021-05-05 13:24:11 -07:00
rpmsg
…
rtc
RTC for 5.13
2021-05-03 12:15:21 -07:00
s390
block-5.13-2021-05-07
2021-05-07 11:35:12 -07:00
sbus
…
scsi
SCSI fixes on 20210520
2021-05-20 14:41:35 -10:00
sh
The usual updates from the irq departement:
2021-04-26 09:43:16 -07:00
siox
…
slimbus
…
soc
IOMMU Updates for Linux v5.13
2021-05-01 09:33:00 -07:00
soundwire
…
spi
spi: sc18is602: implement .max_{transfer,message}_size() for the controller
2021-05-21 13:13:33 +01:00
spmi
…
ssb
…
staging
staging: rtl8723bs: avoid bogus gcc warning
2021-05-10 14:26:24 +02:00
target
SCSI misc on 20210508
2021-05-08 10:44:36 -07:00
tc
…
tee
AMD-TEE reference count loaded TAs
2021-05-17 16:06:02 +02:00
thermal
- Remove duplicate error message for the amlogic driver (Tang Bin)
2021-05-05 12:46:48 -07:00
thunderbolt
thunderbolt: Changes for v5.13 merge window
2021-04-13 12:17:14 +02:00
tty
Char/misc driver fixes for 5.13-rc3
2021-05-20 06:31:52 -10:00
uio
uio_hv_generic: Fix another memory leak in error handling paths
2021-05-14 13:26:04 +02:00
usb
Driver core fixes for 5.13-rc2
2021-05-16 10:13:14 -07:00
vdpa
{net,vdpa}/mlx5: Configure interface MAC into mpfs L2 table
2021-05-18 23:01:48 -07:00
vfio
IOMMU Updates for Linux v5.13
2021-05-01 09:33:00 -07:00
vhost
virtio,vhost,vdpa: features, fixes
2021-05-05 13:31:39 -07:00
video
Char/misc driver fixes for 5.13-rc3
2021-05-20 06:31:52 -10:00
virt
nitro_enclaves: Fix stale file descriptors on failed usercopy
2021-04-29 19:06:49 +02:00
virtio
virtio_pci_modern: correct sparse tags for notify
2021-05-04 04:19:59 -04:00
visorbus
…
vlynq
…
vme
…
w1
…
watchdog
- Core Frameworks
2021-04-28 15:59:13 -07:00
xen
xen-pciback: reconfigure also from backend watch handler
2021-05-21 09:55:16 +02:00
zorro
…
Kconfig
staging: comedi: move out of staging directory
2021-04-15 09:26:25 +02:00
Makefile
virtio,vhost,vdpa: features, fixes
2021-05-05 13:31:39 -07:00