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e615a19121
linux/drivers
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Dan Williams e615a19121 PCI/P2PDMA: fix the gen_pool_add_virt() failure path 
The pci_p2pdma_add_resource() implementation immediately frees the pgmap
if gen_pool_add_virt() fails.  However, that means that when @dev
triggers a devres release devm_memremap_pages_release() will crash
trying to access the freed @pgmap.

Use the new devm_memunmap_pages() to manually free the mapping in the
error path.

Link: http://lkml.kernel.org/r/155727337603.292046.13101332703665246702.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Fixes: 52916982af ("PCI/P2PDMA: Support peer-to-peer memory")
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-06-13 17:34:56 -10:00
..
accessibility treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 70 2019-05-24 17:36:47 +02:00
acpi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
amba treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
android treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
ata treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
atm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
auxdisplay treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
base drivers/base/devres: introduce devm_release_action() 2019-06-13 17:34:56 -10:00
bcma
block xen: fix for 5.2-rc4 2019-06-08 13:16:05 -07:00
bluetooth treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
bus treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
cdrom treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
char treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445 2019-06-05 17:37:18 +02:00
clk treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445 2019-06-05 17:37:18 +02:00
clocksource treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 341 2019-06-05 17:37:07 +02:00
connector treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
counter treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
cpufreq treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
cpuidle treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
crypto treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 442 2019-06-05 17:37:17 +02:00
dax treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295 2019-06-05 17:36:38 +02:00
dca treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 33 2019-05-24 17:27:11 +02:00
devfreq treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
dio treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
dma SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
dma-buf SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
edac treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
eisa treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 210 2019-05-30 11:29:53 -07:00
extcon treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
firewire treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
firmware treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 2019-06-05 17:37:18 +02:00
fmc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 60 2019-05-24 17:36:45 +02:00
fpga SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
fsi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
gnss treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
gpio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
gpu SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2019-06-13 05:59:05 -10:00
hsi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
hv treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320 2019-06-05 17:37:05 +02:00
hwmon SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
hwspinlock
hwtracing treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
i2c SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
i3c treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ide treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
idle treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
iio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 2019-06-05 17:37:18 +02:00
infiniband SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
input treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
interconnect treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
iommu treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
ipack treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
irqchip treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
isdn SPDX update for 5.2-rc3, round 1 2019-05-31 08:34:32 -07:00
leds treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
lightnvm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 410 2019-06-05 17:37:14 +02:00
macintosh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 375 2019-06-05 17:37:10 +02:00
mailbox treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
mcb treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
md treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
media media updates for v5.2-rc1 2019-06-12 05:57:05 -10:00
memory treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 340 2019-06-05 17:37:07 +02:00
memstick memstick: mspro_block: Fix an error code in mspro_block_issue_req() 2019-05-28 09:53:54 +02:00
message treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
mfd treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 450 2019-06-05 17:37:18 +02:00
misc SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
mmc SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
mtd treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
mux
net SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
nfc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 417 2019-06-05 17:37:15 +02:00
ntb treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
nubus treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
nvdimm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295 2019-06-05 17:36:38 +02:00
nvme Merge branch 'nvme-5.2-rc-next' of git://git.infradead.org/nvme into for-linus 2019-06-07 14:04:28 -06:00
nvmem treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295 2019-06-05 17:36:38 +02:00
of treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
opp treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
oprofile
parisc SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
parport Char/Misc driver fixes for 5.2-rc4 2019-06-08 12:50:36 -07:00
pci PCI/P2PDMA: fix the gen_pool_add_virt() failure path 2019-06-13 17:34:56 -10:00
pcmcia treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 256 2019-06-05 17:30:27 +02:00
perf treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
phy treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 2019-06-05 17:37:18 +02:00
pinctrl treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 2019-06-05 17:37:18 +02:00
platform treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
pnp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 150 2019-05-30 11:25:19 -07:00
power treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 450 2019-06-05 17:37:18 +02:00
powercap treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 309 2019-06-05 17:37:04 +02:00
pps treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
ps3 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167 2019-05-30 11:26:39 -07:00
ptp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167 2019-05-30 11:26:39 -07:00
pwm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
rapidio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
ras treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
regulator regulator: Fix for v5.2 2019-06-10 07:35:55 -10:00
remoteproc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
reset treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
rpmsg
rtc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 09:29:14 -07:00
sbus treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
scsi SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
sfi treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
sh treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
siox treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
slimbus
sn treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
soc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 409 2019-06-05 17:37:14 +02:00
soundwire treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
spi spi: Fixes for v5.2 2019-06-10 07:19:56 -10:00
spmi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
ssb treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
staging Staging/IIO driver fixes for 5.2-rc3 2019-05-31 08:31:45 -07:00
target treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
tc treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
tee treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
thermal treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
thunderbolt treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
tty vt/fbcon: deinitialize resources in visual_init() after failed memory allocation 2019-05-24 17:08:18 +02:00
uio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
usb usbip: usbip_host: fix stub_dev lock context imbalance regression 2019-05-29 13:26:32 -07:00
uwb treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 268 2019-06-05 17:30:29 +02:00
vfio vfio/mdev: Synchronize device create/remove with parent removal 2019-06-06 12:32:37 -06:00
vhost vhost: scsi: add weight support 2019-05-27 11:08:23 -04:00
video treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 2019-06-05 17:37:18 +02:00
virt treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
virtio virtio: Fix indentation of VIRTIO_MMIO 2019-05-27 11:08:22 -04:00
visorbus treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
vlynq treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
vme treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
w1 SPDX update for 5.2-rc4 2019-06-08 12:52:42 -07:00
watchdog treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 2019-06-05 17:37:18 +02:00
xen Merge branch 'stable/for-linus-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb 2019-06-11 15:38:34 -10:00
zorro treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Kconfig
Makefile