Robert Richter a0a4643f18 EDAC/mc: Fix edac_mc_find() in case no device is found ...

[ Upstream commit 29a0c84397 ]

The function should return NULL in case no device is found, but it
always returns the last checked mc device from the list even if the
index did not match. Fix that.

I did some analysis why this did not raise any issues for about 3 years
and the reason is that edac_mc_find() is mostly used to search for
existing devices. Thus, the bug is not triggered.

 [ bp: Drop the if (mci->mc_idx > idx) test in favor of readability. ]

Fixes: c73e8833be ("EDAC, mc: Fix locking around mc_devices list")
Signed-off-by: Robert Richter <rrichter@marvell.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lkml.kernel.org/r/20190514104838.15065-1-rrichter@marvell.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

2020-01-27 14:50:48 +01:00

..

altera_edac.c

EDAC/altera: Use the proper type for the IRQ status bits

2019-10-05 13:09:38 +02:00

altera_edac.h

EDAC, altera: Handle SDRAM Uncorrectable Errors on Stratix10

2018-05-12 12:29:41 +02:00

amd64_edac_dbg.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

amd64_edac_inj.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

amd64_edac.c

EDAC/amd64: Decode syndrome before translating address

2019-10-05 13:09:48 +02:00

amd64_edac.h

EDAC, amd64: Add Family 17h, models 10h-2fh support

2018-11-13 11:08:44 -08:00

amd76x_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

amd8111_edac.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

amd8111_edac.h

edac: AMD8111 driver header file

2009-04-02 19:05:03 -07:00

amd8131_edac.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

amd8131_edac.h

tree-wide: fix comment/printk typos

2010-11-01 15:38:34 -04:00

cell_edac.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

cpc925_edac.c

EDAC, cpc925, ppc4xx: Convert to using %pOF instead of full_name

2017-07-19 07:42:41 +02:00

debugfs.c

EDAC: Use edac_debugfs_remove_recursive() in edac_debugfs_exit()

2016-02-10 10:37:46 +01:00

e7xxx_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

e752x_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

edac_device_sysfs.c

edac: move EDAC device definitions to drivers/edac/edac_device.h

2016-12-15 08:54:51 -02:00

edac_device.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

edac_device.h

edac: move documentation from edac_device to edac_core.h

2016-12-15 08:54:51 -02:00

edac_mc_sysfs.c

EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec

2019-07-26 09:14:13 +02:00

edac_mc.c

EDAC/mc: Fix edac_mc_find() in case no device is found

2020-01-27 14:50:48 +01:00

edac_mc.h

EDAC: Add helper which returns the loaded platform driver

2017-09-25 12:55:59 +02:00

edac_module.c

treewide: Fix function prototypes for module_param_call()

2017-10-31 15:30:37 +01:00

edac_module.h

EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec

2019-07-26 09:14:13 +02:00

edac_pci_sysfs.c

edac: move documentation from edac_pci*.c to edac_pci.h

2016-12-15 08:54:51 -02:00

edac_pci.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

edac_pci.h

edac: move documentation from edac_pci*.c to edac_pci.h

2016-12-15 08:54:51 -02:00

fsl_ddr_edac.c

EDAC, fsl_ddr: Make locally used symbols static

2017-02-09 17:40:54 +01:00

fsl_ddr_edac.h

EDAC, fsl_ddr: Add missing DDR DRAM types

2016-09-01 10:28:01 +02:00

ghes_edac.c

EDAC/ghes: Fix grain calculation

2019-12-31 16:35:58 +01:00

highbank_l2_edac.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

highbank_mc_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i7core_edac.c

EDAC: Correct DIMM capacity unit symbol

2019-11-20 18:47:15 +01:00

i3000_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i3200_edac.c

EDAC: Correct DIMM capacity unit symbol

2019-11-20 18:47:15 +01:00

i5000_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i5100_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i5400_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i7300_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i82443bxgx_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i82860_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i82875p_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

i82975x_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

ie31200_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

Kconfig

EDAC/mpc85xx: Prevent building as a module

2019-06-15 11:54:03 +02:00

layerscape_edac.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

Makefile

edac: remove tile driver

2018-03-26 15:56:17 +02:00

mce_amd.c

x86/mce/AMD, EDAC/mce_amd: Enumerate Reserved SMCA bank type

2018-02-21 17:00:54 +01:00

mce_amd.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

mpc85xx_edac.c

EDAC, mpc85xx: Add T2080 l2-cache support

2017-02-03 10:36:35 +01:00

mpc85xx_edac.h

EDAC, fsl-ddr: Separate FSL DDR driver from MPC85xx

2016-09-01 10:28:00 +02:00

mv64x60_edac.c

EDAC, mv64x60: Fix an error handling path

2018-01-09 20:14:23 +01:00

mv64x60_edac.h

edac: Drop __DATE__ usage

2011-04-19 00:23:22 +02:00

octeon_edac-l2c.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

octeon_edac-lmc.c

EDAC, octeon: Fix an uninitialized variable warning

2017-11-27 11:57:26 +01:00

octeon_edac-pc.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

octeon_edac-pci.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

pasemi_edac.c

edac: rename edac_core.h to edac_mc.h

2016-12-15 08:54:51 -02:00

pnd2_edac.c

EDAC, pnd2: Fix ioremap() size in dnv_rd_reg()

2019-10-05 13:09:39 +02:00

pnd2_edac.h

EDAC, pnd2_edac: Add new EDAC driver for Intel SoC platforms

2017-03-16 12:40:52 +01:00

ppc4xx_edac.c

EDAC, cpc925, ppc4xx: Convert to using %pOF instead of full_name

2017-07-19 07:42:41 +02:00

ppc4xx_edac.h

edac: new ppc4xx driver module

2009-04-02 19:05:03 -07:00

r82600_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

sb_edac.c

EDAC: Correct DIMM capacity unit symbol

2019-11-20 18:47:15 +01:00

skx_edac.c

EDAC: Correct DIMM capacity unit symbol

2019-11-20 18:47:15 +01:00

synopsys_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

thunderx_edac.c

EDAC, thunderx: Fix memory leak in thunderx_l2c_threaded_isr()

2019-12-01 09:16:18 +01:00

ti_edac.c

EDAC, ti: Add support for TI keystone and DRA7xx EDAC

2017-11-27 13:51:19 +01:00

wq.c

EDAC, wq: Remove deprecated create_singlethread_workqueue()

2016-08-15 07:21:29 +02:00

x38_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00

xgene_edac.c

EDAC: Get rid of mci->mod_ver

2017-07-17 13:42:48 +02:00