AuxXxilium/linux_dsm_epyc7002
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2c97f6f20c
linux_dsm_epyc7002/drivers/char
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Peter Huewe 2c97f6f20c char/tpm: Check return code of wait_for_tpm_stat 
In some weird cases it might be possible that the TPM does not set
STS.VALID within the given timeout time (or ever) but sets STS.EXPECT
(STS=0x0C) In this case the driver gets stuck in the while loop of
tpm_tis_send_data and loops endlessly.

Checking the return value of wait_for_tpm_stat fixes this and the driver
bails out correctly.  While at it fixing all other users since if the
TPM does not manage to set STS.VALID within the reasonable timeframe
something is definitely wrong and the driver should react correctly.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2016-11-28 01:31:30 +02:00
..
agp agp/intel: Flush chipset writes after updating a single PTE 2016-08-18 22:36:23 +01:00
hw_random hwrng: core - Don't use a stack buffer in add_early_randomness() 2016-10-19 11:20:21 +08:00
ipmi ipmi: fix crash on reading version from proc after unregisted bmc 2016-10-03 09:09:47 -05:00
mwave char/mwave: remove custom BOOLEAN type 2016-08-31 14:22:49 +02:00
pcmcia TTY and Serial driver update for 4.7-rc1 2016-05-20 20:57:27 -07:00
tpm char/tpm: Check return code of wait_for_tpm_stat 2016-11-28 01:31:30 +02:00
xilinx_hwicap char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration(). 2015-06-12 16:58:33 -07:00
xillybus char: xillybus: Fix spelling mistake and comment 2016-08-31 14:47:54 +02:00
apm-emulation.c apm-emulation: add hibernation APM events to support suspend2disk 2014-01-07 13:50:28 +01:00
applicom.c applicom: dereferencing NULL on error path 2014-05-27 17:43:12 -07:00
applicom.h
bfin-otp.c miscdevice: Use module_misc_device() macro 2016-08-31 14:12:35 +02:00
bsr.c bsr: avoid format string leaking into device name 2014-07-09 16:59:15 -07:00
ds1302.c
ds1620.c ds1620: single_open() leak 2013-05-05 00:11:29 -04:00
dsp56k.c dsp56k: prevent a harmless underflow 2016-07-14 16:21:53 +09:00
dtlk.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
efirtc.c drivers/char: make efirtc.c driver explicitly non-modular 2015-09-20 19:32:35 -07:00
generic_nvram.c don't open-code generic_file_llseek_size() 2015-12-09 13:00:45 -05:00
hangcheck-timer.c hangcheck-timer: cleanup casting in hangcheck_init() 2014-11-07 11:24:01 -08:00
hpet.c hpet: Drop stale URLs 2016-02-17 09:39:56 +01:00
Kconfig RTC for 4.8 2016-08-05 09:48:22 -04:00
lp.c char: Int overflow in lp_do_ioctl(). 2013-12-18 16:39:54 -08:00
Makefile RTC for 4.8 2016-08-05 09:48:22 -04:00
mbcs.c don't open-code generic_file_llseek_size() 2015-12-09 13:00:45 -05:00
mbcs.h
mem.c drivers: char: mem: Check {read,write}_kmem() addresses 2016-08-31 15:21:18 +02:00
misc.c char: make misc_deregister a void function 2015-08-05 10:35:49 -07:00
mmtimer.c drivers/char/mmtimer.c: Remove useless kfree 2012-09-26 13:20:40 -07:00
mspec.c tree wide: use kvfree() than conditional kfree()/vfree() 2016-01-22 17:02:18 -08:00
nsc_gpio.c new helper: file_inode(file) 2013-02-22 23:31:31 -05:00
nvram.c char/nvram: set array of const as const 2016-02-08 14:57:30 -08:00
nwbutton.c char: nwbutton: avoid unused variable warning 2016-02-09 17:39:56 -08:00
nwbutton.h
nwflash.c new helpers: no_seek_end_llseek{,_size}() 2015-12-23 10:41:31 -05:00
pc8736x_gpio.c pc8736x_gpio: use platform_device_unregister in pc8736x_gpio_cleanup() 2012-10-24 15:52:29 -07:00
powernv-op-panel.c powerpc/powernv: Add driver for operator panel on FSP machines 2016-06-29 17:33:46 +10:00
ppdev.c ppdev: fix double-free of pp->pdev->name 2016-11-10 15:24:02 +01:00
ps3flash.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
random.c This adds a new gcc plugin named "latent_entropy". It is designed to 2016-10-15 10:03:15 -07:00
raw.c drivers: char: raw: Removed unnecessary braces 2016-02-08 14:57:30 -08:00
rtc.c various char drivers: remove deprecated IRQF_DISABLED 2013-10-16 12:36:10 -07:00
scx200_gpio.c
snsc_event.c various char drivers: remove deprecated IRQF_DISABLED 2013-10-16 12:36:10 -07:00
snsc.c snsc: check return value of class_create 2016-08-31 14:47:54 +02:00
snsc.h
sonypi.c fs: Replace current_fs_time() with current_time() 2016-09-27 21:06:22 -04:00
tb0219.c mips: separate extable.h, switch module.h to it 2016-10-05 18:36:18 -04:00
tile-srom.c tile-srom: avoid krealloc(... __GFP_ZERO) pattern 2016-08-30 14:45:50 +02:00
tlclk.c tlclk: remove deprecated IRQF_DISABLED 2013-10-16 12:36:10 -07:00
toshiba.c toshiba laptop: replace ioremap_cache with ioremap 2015-08-05 17:26:00 -07:00
ttyprintk.c ttyprintk: Neaten and simplify printing 2016-09-13 17:30:17 +02:00
uv_mmtimer.c
virtio_console.c virtio: console: Unlock vqs while freeing buffers 2016-10-31 00:21:44 +02:00