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3307142271
The code does not properly check whether the calibration variable is
available in the EFI. If it is not available, it causes a NULL pointer
dereference.
Check the return value of the first get_variable call also.
BUG: kernel NULL pointer dereference, address: 0000000000000000
Call Trace:
<TASK>
? __die+0x23/0x70
? page_fault_oops+0x171/0x4e0
? srso_alias_return_thunk+0x5/0x7f
? schedule+0x5e/0xd0
? exc_page_fault+0x7f/0x180
? asm_exc_page_fault+0x26/0x30
? crc32_body+0x2c/0x120
? tas2781_save_calibration+0xe4/0x220 [snd_hda_scodec_tas2781_i2c]
tasdev_fw_ready+0x1af/0x280 [snd_hda_scodec_tas2781_i2c]
request_firmware_work_func+0x59/0xa0
Fixes:
|
||
---|---|---|
.. | ||
ac97 | ||
ali5451 | ||
asihpi | ||
au88x0 | ||
aw2 | ||
ca0106 | ||
cs46xx | ||
cs5535audio | ||
ctxfi | ||
echoaudio | ||
emu10k1 | ||
hda | ||
ice1712 | ||
korg1212 | ||
lola | ||
lx6464es | ||
mixart | ||
nm256 | ||
oxygen | ||
pcxhr | ||
riptide | ||
rme9652 | ||
trident | ||
vx222 | ||
ymfpci | ||
ad1889.c | ||
ad1889.h | ||
ak4531_codec.c | ||
als300.c | ||
als4000.c | ||
atiixp_modem.c | ||
atiixp.c | ||
azt3328.c | ||
azt3328.h | ||
bt87x.c | ||
cmipci.c | ||
cs4281.c | ||
cs5530.c | ||
ens1370.c | ||
ens1371.c | ||
es1938.c | ||
es1968.c | ||
fm801.c | ||
intel8x0.c | ||
intel8x0m.c | ||
Kconfig | ||
maestro3.c | ||
Makefile | ||
rme32.c | ||
rme96.c | ||
sis7019.c | ||
sis7019.h | ||
sonicvibes.c | ||
via82xx_modem.c | ||
via82xx.c |