AuxXxilium/linux_dsm_epyc7002
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31a3ddda16
linux_dsm_epyc7002/drivers
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Amit Shah 31a3ddda16 virtio_pci: Prevent double-free of pci regions after device hot-unplug 
In the case where a virtio-console port is in use (opened by a program)
and a virtio-console device is removed, the port is kept around but all
the virtio-related state is assumed to be gone.

When the port is finally released (close() called), we call
device_destroy() on the port's device.  This results in the parent
device's structures to be freed as well.  This includes the PCI regions
for the virtio-console PCI device.

Once this is done, however, virtio_pci_release_dev() kicks in, as the
last ref to the virtio device is now gone, and attempts to do

     pci_iounmap(pci_dev, vp_dev->ioaddr);
     pci_release_regions(pci_dev);
     pci_disable_device(pci_dev);

which results in a double-free warning.

Move the code that releases regions, etc., to the virtio_pci_remove()
function, and all that's now left in release_dev is the final freeing of
the vp_dev.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-04-21 22:57:00 +09:30
..
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acpi Fix common misspellings 2011-03-31 11:26:23 -03:00
amba PM / Hibernate: Introduce CONFIG_HIBERNATE_CALLBACKS 2011-04-11 22:54:42 +02:00
ata Fix common misspellings 2011-03-31 11:26:23 -03:00
atm Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6 2011-04-07 11:14:49 -07:00
auxdisplay Fix common misspellings 2011-03-31 11:26:23 -03:00
base Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 2011-04-12 17:18:05 -07:00
block Fix common misspellings 2011-03-31 11:26:23 -03:00
bluetooth Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6 2011-04-07 11:14:49 -07:00
cdrom Fix common misspellings 2011-03-31 11:26:23 -03:00
char Fix common misspellings 2011-03-31 11:26:23 -03:00
clk
clocksource
connector connector: fix skb double free in cn_rx_skb() 2011-04-12 14:38:57 -07:00
cpufreq Fix common misspellings 2011-03-31 11:26:23 -03:00
cpuidle
crypto Fix common misspellings 2011-03-31 11:26:23 -03:00
dca drivers/dca/dca-core.c: use list_move() instead of list_del()/list_add() combination 2011-03-22 17:44:12 -07:00
dio
dma Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6 2011-04-11 15:44:38 -07:00
edac Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6 2011-04-07 11:14:49 -07:00
eisa
firewire Fix common misspellings 2011-03-31 11:26:23 -03:00
firmware sigma-firmware: loader for Analog Devices' SigmaStudio 2011-03-22 17:44:15 -07:00
gpio Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6 2011-04-11 15:44:38 -07:00
gpu drm/radeon/kms: pll tweaks for r7xx 2011-04-20 09:39:37 +10:00
hid Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6 2011-04-07 11:14:49 -07:00
hwmon hwmon: (pmbus) Removed unused variable from struct pmbus_data 2011-04-19 08:49:56 -07:00
hwspinlock hwspinlock: depend on OMAP4 2011-03-18 17:15:11 -07:00
i2c i2c-algo-bit: Call pre/post_xfer for bit_test 2011-04-17 10:20:19 +02:00
ide Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6 2011-04-07 11:14:49 -07:00
idle
ieee802154 ieee802154: change to new flag variable 2011-03-17 14:05:34 +01:00
infiniband Fix common misspellings 2011-03-31 11:26:23 -03:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-04-18 13:29:03 -07:00
isdn Fix common misspellings 2011-03-31 11:26:23 -03:00
leds leds/leds-regulator.c: fix handling of already enabled regulators 2011-04-14 16:06:54 -07:00
lguest Fix common misspellings 2011-03-31 11:26:23 -03:00
macintosh Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6 2011-04-07 11:14:49 -07:00
mca
md md: Cleanup after raid45->raid0 takeover 2011-04-20 15:39:53 +10:00
media Revert "[media] V4L: videobuf, don't use dma addr as physical" 2011-04-19 10:54:44 -07:00
memstick Fix common misspellings 2011-03-31 11:26:23 -03:00
message Fix common misspellings 2011-03-31 11:26:23 -03:00
mfd mfd: Fetch cell pointer from platform_device->mfd_cell 2011-04-12 11:13:00 +02:00
misc drivers/misc/sgi-gru/grufile.c: fix the wrong members of gru_chip 2011-04-14 16:06:55 -07:00
mmc Fix common misspellings 2011-03-31 11:26:23 -03:00
mtd Merge git://git.infradead.org/mtd-2.6 2011-04-09 13:23:50 -07:00
net ip6_pol_route panic: Do not allow VLAN on loopback 2011-04-17 23:27:16 -07:00
nfc
nubus
of Fix common misspellings 2011-03-31 11:26:23 -03:00
oprofile
parisc Fix common misspellings 2011-03-31 11:26:23 -03:00
parport Fix common misspellings 2011-03-31 11:26:23 -03:00
pci Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2011-04-19 12:46:32 -07:00
pcmcia ARM: pxa: convert incorrect IRQ_TO_IRQ() to irq_to_gpio() 2011-04-13 09:30:40 +08:00
platform Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 2011-04-13 09:15:55 -07:00
pnp Fix common misspellings 2011-03-31 11:26:23 -03:00
power drivers: Final irq namespace conversion 2011-03-29 14:48:19 +02:00
pps Fix common misspellings 2011-03-31 11:26:23 -03:00
ps3 Fix common misspellings 2011-03-31 11:26:23 -03:00
rapidio RapidIO/mpc85xx: fix possible mport registration problems 2011-04-14 16:06:56 -07:00
regulator Fix common misspellings 2011-03-31 11:26:23 -03:00
rtc RTC: rtc-omap: Fix a leak of the IRQ during init failure 2011-04-18 10:39:38 +02:00
s390 Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 2011-04-08 07:36:14 -07:00
sbus Fix common misspellings 2011-03-31 11:26:23 -03:00
scsi block: get rid of QUEUE_FLAG_REENTER 2011-04-19 13:32:46 +02:00
sfi Fix common misspellings 2011-03-31 11:26:23 -03:00
sh sh: Fix irq cleanup fallout 2011-03-30 00:15:49 +02:00
sn
spi Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6 2011-04-11 15:44:38 -07:00
ssb Fix common misspellings 2011-03-31 11:26:23 -03:00
staging Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 2011-04-12 15:24:23 -07:00
target Fix common misspellings 2011-03-31 11:26:23 -03:00
tc
telephony Fix common misspellings 2011-03-31 11:26:23 -03:00
thermal
tty Merge branch 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2011-04-07 12:48:45 -07:00
uio Fix common misspellings 2011-03-31 11:26:23 -03:00
usb Revert "USB: isp1760-hcd: move imask clear after pending work is done" 2011-04-14 13:37:07 -07:00
uwb Fix common misspellings 2011-03-31 11:26:23 -03:00
vhost vhost-net: remove unlocked use of receive_queue 2011-03-13 23:08:19 +02:00
video ARM: pxafb: Fix access to nonexistent member of pxafb_info 2011-04-12 23:07:42 +08:00
virtio virtio_pci: Prevent double-free of pci regions after device hot-unplug 2011-04-21 22:57:00 +09:30
vlynq vlynq: Convert irq functions 2011-03-28 19:33:04 +02:00
w1 Fix common misspellings 2011-03-31 11:26:23 -03:00
watchdog watchdog: mpc8xxx_wdt: fix build 2011-04-07 20:20:24 +00:00
xen Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 2011-04-12 17:18:05 -07:00
zorro
Kconfig
Makefile