linux/drivers/char
Jarkko Sakkinen 9d2da0b886 tpm: Replace WARN_ONCE() with dev_err_once() in tpm_tis_status()
commit 0178f9d0f6 upstream.

Do not tear down the system when getting invalid status from a TPM chip.
This can happen when panic-on-warn is used.

Instead, introduce TPM_TIS_INVALID_STATUS bitflag and use it to trigger
once the error reporting per chip. In addition, print out the value of
TPM_STS for improved forensics.

Link: https://lore.kernel.org/keyrings/YKzlTR1AzUigShtZ@kroah.com/
Fixes: 55707d531a ("tpm_tis: Add a check for invalid status")
Cc: stable@vger.kernel.org
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2021-07-14 17:07:50 +02:00
..
agp parisc: parisc-agp requires SBA IOMMU driver 2021-04-06 11:46:39 +02:00
hw_random hwrng: exynos - Fix runtime PM imbalance on error 2021-07-14 17:06:21 +02:00
ipmi A bunch of little cleanups 2021-04-28 15:54:57 -07:00
mwave char/mwave: turn tp3780I_Cleanup() into void function 2021-03-24 08:26:30 +01:00
pcmcia char: pcmcia: error out if 'num_bytes_read' is greater than 4 in set_protocol() 2021-07-14 17:07:31 +02:00
tpm tpm: Replace WARN_ONCE() with dev_err_once() in tpm_tis_status() 2021-07-14 17:07:50 +02:00
xilinx_hwicap treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
xillybus char: xillybus: use devm_platform_ioremap_resource() to simplify code 2019-11-05 18:29:21 +01:00
adi.c char: sparc64: Add privileged ADI driver 2018-06-05 11:24:55 -07:00
apm-emulation.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
applicom.c Merge 5.12-rc6 into char-misc-next 2021-04-05 08:43:50 +02:00
applicom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bsr.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
ds1620.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dsp56k.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
dtlk.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
hangcheck-timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405 2019-06-05 17:37:13 +02:00
hpet.c char: hpet: add checks after calling ioremap 2021-05-13 17:33:36 +02:00
Kconfig drivers/char: remove /dev/kmem for good 2021-05-07 00:26:34 -07:00
lp.c char: lp: remove redundant space around (inside) parenthesized expressions 2021-03-24 08:26:32 +01:00
Makefile rtc/alpha: remove legacy rtc driver 2020-03-19 07:41:02 +01:00
mem.c drivers/char: remove /dev/kmem for good 2021-05-07 00:26:34 -07:00
misc.c char: misc: increase DYNAMIC_MINORS value 2020-11-03 09:52:04 +01:00
mspec.c char: mspec: Use kvzalloc() in mspec_mmap() 2020-08-28 12:10:04 +02:00
nsc_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nvram.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
nwbutton.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nwbutton.h misc: cleanup minor number definitions in c file into miscdevice.h 2020-03-18 12:27:03 +01:00
nwflash.c misc: move FLASH_MINOR into miscdevice.h and fix conflicts 2020-03-18 12:27:04 +01:00
pc8736x_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
powernv-op-panel.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
ppdev.c ppdev: Distribute switch variables for initialization 2020-02-23 20:28:12 +01:00
ps3flash.c powerpc/ps3: make system bus's remove and shutdown callbacks return void 2020-12-04 01:01:22 +11:00
random.c random: remove dead code left over from blocking pool 2021-04-02 18:28:12 +11:00
raw.c raw: don't keep unopened block device around 2020-09-23 10:43:19 -06:00
scx200_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sonypi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
tb0219.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
tlclk.c drivers: char: tlclk.c: Avoid data race between init and interrupt handler 2020-04-23 16:55:24 +02:00
toshiba.c module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
ttyprintk.c ttyprintk: Add TTY hangup callback. 2021-04-22 12:01:26 +02:00
uv_mmtimer.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
virtio_console.c virtio_console: remove pointless check for debugfs_create_dir() 2021-03-10 09:21:02 +01:00