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linux/drivers/edac
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Jean Delvare 6b96200e1d i7core_edac: Fix PCI device reference count 
commit c0f5eeed0f upstream.

The reference count changes done by pci_get_device can be a little
misleading when the usage diverges from the most common scheme. The
reference count of the device passed as the last parameter is always
decreased, even if the function returns no new device. So if we are
going to try alternative device IDs, we must manually increment the
device reference count before each retry. If we don't, we end up
decreasing the reference count, and after a few modprobe/rmmod cycles
the PCI devices will vanish.

In other words and as Alan put it: without this fix the EDAC code
corrupts the PCI device list.

This fixes kernel bug #50491:
https://bugzilla.kernel.org/show_bug.cgi?id=50491

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: http://lkml.kernel.org/r/20140224093927.7659dd9d@endymion.delvare
Reviewed-by: Alan Cox <alan@linux.intel.com>
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-06 21:30:09 -08:00
..
amd64_edac_dbg.c amd64_edac: convert sysfs logic to use struct device 2012-06-11 13:23:40 -03:00
amd64_edac_inj.c amd64_edac: Fix bogus sysfs file permissions 2013-05-21 09:13:11 +02:00
amd64_edac.c amd64_edac: Fix single-channel setups 2013-09-26 17:18:28 -07:00
amd64_edac.h amd64_edac: Add Family 16h support 2013-04-19 12:46:50 +02:00
amd76x_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
amd8111_edac.c edac: Drop __DATE__ usage 2011-04-19 00:23:22 +02:00
amd8111_edac.h edac: AMD8111 driver header file 2009-04-02 19:05:03 -07:00
amd8131_edac.c edac: Drop __DATE__ usage 2011-04-19 00:23:22 +02:00
amd8131_edac.h tree-wide: fix comment/printk typos 2010-11-01 15:38:34 -04:00
cell_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
cpc925_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
e7xxx_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
e752x_edac.c e752x_edac: Fix pci_dev usage count 2014-02-06 11:08:12 -08:00
edac_core.h edac: add support for raw error reports 2013-02-21 14:16:03 -03:00
edac_device_sysfs.c edac: Convert debugfX to edac_dbg(X, 2012-06-11 13:23:49 -03:00
edac_device.c Merge branch 'devel' 2012-07-29 21:11:05 -03:00
edac_mc_sysfs.c EDAC: Poll timeout cannot be zero, p2 2014-02-22 12:41:29 -08:00
edac_mc.c EDAC: Correct workqueue setup path 2014-02-22 12:41:29 -08:00
edac_module.c edac: initialize the core earlier 2013-02-21 11:06:36 -03:00
edac_module.h EDAC: Poll timeout cannot be zero, p2 2014-02-22 12:41:29 -08:00
edac_pci_sysfs.c Linux 3.8-rc7 2013-02-20 15:45:52 -03:00
edac_pci.c EDAC: Respect operational state in edac_pci.c 2012-11-28 11:22:47 +01:00
edac_stub.c EDAC: Change Boris' email address 2012-10-30 10:05:51 +01:00
ghes_edac.c ghes_edac: fix to use list_for_each_entry_safe() when delete list items 2013-02-26 10:05:35 -03:00
highbank_l2_edac.c edac, highbank: Fix interrupt setup of mem and l2 controller 2013-12-04 10:57:15 -08:00
highbank_mc_edac.c edac, highbank: Fix interrupt setup of mem and l2 controller 2013-12-04 10:57:15 -08:00
i7core_edac.c i7core_edac: Fix PCI device reference count 2014-03-06 21:30:09 -08:00
i3000_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
i3200_edac.c i3200_edac: Fix the logic that detects filled memories 2013-02-21 11:06:31 -03:00
i5000_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
i5100_edac.c EDAC: Fix lockdep splat 2013-07-28 16:30:11 -07:00
i5400_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
i7300_edac.c i7300_edac: Fix memory detection in single mode 2013-04-29 10:32:39 -03:00
i82443bxgx_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
i82860_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
i82875p_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
i82975x_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
Kconfig Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac 2013-02-28 20:42:33 -08:00
Makefile ghes_edac: Register at EDAC core the BIOS report 2013-02-25 19:42:12 -03:00
mce_amd_inj.c EDAC: Change Boris' email address 2012-10-30 10:05:51 +01:00
mce_amd.c EDAC, MCE, AMD: Remove unneeded exports 2013-01-22 22:40:03 +01:00
mce_amd.h EDAC, MCE, AMD: Remove unneeded exports 2013-01-22 22:40:03 +01:00
mpc85xx_edac.c mpc85xx_edac: Fix typo 2013-02-10 13:28:41 +01:00
mpc85xx_edac.h edac: Drop __DATE__ usage 2011-04-19 00:23:22 +02:00
mv64x60_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
mv64x60_edac.h edac: Drop __DATE__ usage 2011-04-19 00:23:22 +02:00
octeon_edac-l2c.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
octeon_edac-lmc.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
octeon_edac-pc.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
octeon_edac-pci.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
pasemi_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
ppc4xx_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
ppc4xx_edac.h
r82600_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
sb_edac.c edac: sb_edac.c should not require prescence of IMC_DDRIO device 2013-04-29 10:32:40 -03:00
tile_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00
x38_edac.c Drivers: edac: remove __dev* attributes. 2013-01-03 15:57:03 -08:00