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Taehee Yoo c6761cf521 vxlan: fix unexpected failure of vxlan_changelink() 
After commit 0ce1822c2a08 ("vxlan: add adjacent link to limit depth
level"), vxlan_changelink() could fail because of
netdev_adjacent_change_prepare().
netdev_adjacent_change_prepare() returns -EEXIST when old lower device
and new lower device are same.
(old lower device is "dst->remote_dev" and new lower device is "lowerdev")
So, before calling it, lowerdev should be NULL if these devices are same.

Test command1:
    ip link add dummy0 type dummy
    ip link add vxlan0 type vxlan dev dummy0 dstport 4789 vni 1
    ip link set vxlan0 type vxlan ttl 5
    RTNETLINK answers: File exists

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 0ce1822c2a08 ("vxlan: add adjacent link to limit depth level")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-30 11:52:47 -07:00
..
accessibility
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acpi
ACPI fixes for 5.4-rc4
2019-10-18 08:38:26 -07:00
amba
ARM updates for 5.4-rc1:
2019-09-22 09:39:09 -07:00
android
binder: Fix comment headers on binder_alloc_prepare_to_free()
2019-10-10 14:39:23 +02:00
ata
libata/ahci: Fix PCS quirk application
2019-10-15 14:10:19 -06:00
atm
atm: he: clean up an indentation issue
2019-09-25 13:54:45 +02:00
auxdisplay
It's a somewhat calmer cycle for docs this time, as the churn of the mass
2019-09-17 16:22:26 -07:00
base
drivers/base/memory.c: don't access uninitialized memmaps in soft_offline_page_store()
2019-10-19 06:32:31 -04:00
bcma
bcma: make arrays pwr_info_offset and sprom_sizes static const, shrinks object size
2019-09-13 16:44:49 +03:00
block
zram: fix race between backing_dev_show and backing_dev_store
2019-10-19 06:32:32 -04:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-09-15 14:17:27 +02:00
bus
ARM: SoC fixes
2019-09-30 10:04:28 -07:00
cdrom
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char
char/random: Add a newline at the end of the file
2019-10-02 13:49:43 -07:00
clk
Fixes for omaps for v5.4-rc cycle
2019-10-03 09:15:19 -07:00
clocksource
timer-of: don't use conditional expression with mixed 'void' types
2019-10-02 16:16:07 -07:00
connector
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counter
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cpufreq
cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown
2019-10-10 11:11:17 +02:00
cpuidle
Power management updates for 5.4-rc1
2019-09-17 19:15:14 -07:00
crypto
net: use skb_queue_empty_lockless() in busy poll contexts
2019-10-28 13:33:41 -07:00
dax
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dca
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devfreq
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dio
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dma
Main MIPS changes for v5.4:
2019-09-22 09:30:30 -07:00
dma-buf
dma-buf/resv: fix exclusive fence get
2019-10-10 17:05:20 +02:00
edac
ARM updates for 5.4-rc1:
2019-09-22 09:39:09 -07:00
eisa
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extcon
chrome platform changes for v5.4
2019-09-19 14:14:28 -07:00
firewire
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firmware
Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
2019-10-15 09:20:07 -07:00
fpga
Char/Misc driver patches for 5.4-rc1
2019-09-18 11:14:31 -07:00
fsi
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gnss
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gpio
gpio: lynxpoint: set default handler to be handle_bad_irq()
2019-10-15 01:19:05 +02:00
gpu
-dma-resv: Change shared_count to post-increment to fix lima crash (Qiang)
2019-10-18 06:40:28 +10:00
greybus
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hid
HID: hyperv: Use in-place iterator API in the channel callback
2019-10-01 14:49:41 -04:00
hsi
HSI changes for the 5.4 series
2019-09-22 12:02:21 -07:00
hv
Drivers: hv: vmbus: Fix harmless building warnings without CONFIG_PM_SLEEP
2019-10-01 14:49:45 -04:00
hwmon
hwmon: (nct7904) Add array fan_alarm and vsen_alarm to store the alarms in nct7904_data struct.
2019-10-02 06:42:48 -07:00
hwspinlock
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hwtracing
Char/Misc driver patches for 5.4-rc1
2019-09-18 11:14:31 -07:00
i2c
i2c: slave-eeprom: Add read only mode
2019-09-28 20:44:12 +02:00
i3c
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ide
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idle
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iio
First set of IIO fixes for the 5.4 cycle.
2019-10-10 11:18:37 +02:00
infiniband
RDMA/mlx5: Add missing synchronize_srcu() for MW cases
2019-10-04 15:54:22 -03:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-10-17 11:18:44 -07:00
interconnect
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iommu
iommu/amd: Check PM_LEVEL_SIZE() condition in locked section
2019-10-18 16:52:37 +02:00
ipack
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irqchip
Main MIPS changes for v5.4:
2019-09-22 09:30:30 -07:00
isdn
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
leds
leds: lm3532: Fix optional led-max-microamp prop error handling
2019-09-12 20:45:52 +02:00
lightnvm
lightnvm: print error when target is not found
2019-09-05 13:17:01 -06:00
macintosh
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mailbox
mailbox: qcom-apcs: fix max_register value
2019-09-17 00:54:29 -05:00
mcb
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md
for-linus-2019-10-18
2019-10-18 22:29:36 -04:00
media
media: stkwebcam: fix runtime PM after driver unbind
2019-10-04 14:38:46 +02:00
memory
iommu/mediatek: Clean up struct mtk_smi_iommu
2019-08-30 15:57:27 +02:00
memstick
memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()'
2019-10-09 11:08:03 +02:00
message
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mfd
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
2019-09-29 10:24:23 -07:00
misc
misc: fastrpc: prevent memory leak in fastrpc_dma_buf_attach
2019-10-04 18:22:14 +02:00
mmc
mmc: sdhci-iproc: fix spurious interrupts on Multiblock reads with bcm2711
2019-10-09 11:05:50 +02:00
mtd
mtd: rawnand: au1550nd: Fix au_read_buf16() prototype
2019-10-07 09:56:36 +02:00
mux
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net
vxlan: fix unexpected failure of vxlan_changelink()
2019-10-30 11:52:47 -07:00
nfc
NFC: pn533: fix use-after-free and memleaks
2019-10-08 16:52:26 -07:00
ntb
NTB: fix IDT Kconfig typos/spellos
2019-09-23 17:20:40 -04:00
nubus
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nvdimm
libnvdimm fixes v5.4-rc1
2019-09-29 10:33:41 -07:00
nvme
net: use skb_queue_empty_lockless() in busy poll contexts
2019-10-28 13:33:41 -07:00
nvmem
Char/Misc driver patches for 5.4-rc1
2019-09-18 11:14:31 -07:00
of
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-09-28 17:47:33 -07:00
opp
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oprofile
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parisc
parisc: Remove 32-bit DMA enforcement from sba_iommu
2019-10-14 21:44:26 +02:00
parport
Char/Misc driver patches for 5.4-rc1
2019-09-18 11:14:31 -07:00
pci
PCI: PM: Fix pci_power_up()
2019-10-15 23:51:36 +02:00
pcmcia
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
perf
Merge branches 'for-next/52-bit-kva', 'for-next/cpu-topology', 'for-next/error-injection', 'for-next/perf', 'for-next/psci-cpuidle', 'for-next/rng', 'for-next/smpboot', 'for-next/tbi' and 'for-next/tlbi' into for-next/core
2019-08-30 12:46:12 +01:00
phy
pci-v5.4-changes
2019-09-23 19:16:01 -07:00
pinctrl
This is the bulk of pin control changes for the v5.4 kernel
2019-09-19 14:19:33 -07:00
platform
platform/x86: i2c-multi-instantiate: Fail the probe if no IRQ provided
2019-10-14 15:31:50 +03:00
pnp
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power
power supply and reset changes for the v5.4 series
2019-09-22 12:04:59 -07:00
powercap
Power management updates for 5.4-rc1
2019-09-17 19:15:14 -07:00
pps
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ps3
…
ptp
ptp: fix typo of "mechanism" in Kconfig help text
2019-10-07 14:55:46 -04:00
pwm
pwm: Changes for v5.4-rc1
2019-09-27 12:19:47 -07:00
rapidio
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ras
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regulator
LED updates for 5.4-rc1
2019-09-17 18:40:42 -07:00
remoteproc
remoteproc updates for v5.4
2019-09-22 10:55:08 -07:00
reset
ARM: SoC fixes
2019-09-30 10:04:28 -07:00
rpmsg
rpmsg: glink-smem: Name the edge based on parent remoteproc
2019-09-17 15:33:31 -07:00
rtc
RTC for 5.4
2019-09-22 11:05:43 -07:00
s390
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-10-19 17:09:11 -04:00
sbus
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scsi
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-18 08:08:53 -07:00
sfi
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sh
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siox
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slimbus
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soc
ARM: SoC driver updates for v5.4
2019-09-16 15:52:38 -07:00
soundwire
soundwire updates for v5.4-rc1
2019-09-22 10:52:23 -07:00
spi
LED updates for 5.4-rc1
2019-09-17 18:40:42 -07:00
spmi
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ssb
ssb: make array pwr_info_offset static const, makes object smaller
2019-09-13 17:23:18 +03:00
staging
Staging/IIO driver fixes for 5.4-rc3
2019-10-12 15:44:46 -07:00
target
mm: introduce page_size()
2019-09-24 15:54:08 -07:00
tc
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tee
tee/shm: untag user pointers in tee_shm_register
2019-09-25 17:51:41 -07:00
thermal
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
2019-09-29 10:24:23 -07:00
thunderbolt
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tty
tty: serial: imx: Use platform_get_irq_optional() for optional IRQs
2019-10-10 13:12:28 +02:00
uio
Char/Misc driver patches for 5.4-rc1
2019-09-18 11:14:31 -07:00
usb
USB: yurex: fix NULL-derefs on disconnect
2019-10-10 14:24:06 +02:00
vfio
vfio/type1: untag user pointers in vaddr_get_pfn
2019-09-25 17:51:41 -07:00
vhost
vhost/test: stop device before reset
2019-10-13 09:38:27 -04:00
video
video/logo: do not generate unneeded logo C files
2019-10-05 15:29:49 +09:00
virt
virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr
2019-10-10 14:50:32 +02:00
virtio
virtio_ring: fix unmap of indirect descriptors
2019-09-09 10:43:15 -04:00
visorbus
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vlynq
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vme
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w1
w1: ds250x: Fix build error without CRC16
2019-10-10 15:35:41 +02:00
watchdog
linux-watchdog 5.4-rc1 tag
2019-09-27 11:17:38 -07:00
xen
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-10-19 17:09:11 -04:00
zorro
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Kconfig
Staging/IIO driver patches for 5.4-rc1
2019-09-18 11:05:34 -07:00
Makefile
Staging/IIO driver patches for 5.4-rc1
2019-09-18 11:05:34 -07:00