[alsa-devel] [PATCH v2] ASoC: samsung: i2s: Null pointer dereference on samsung_i2s_remove

[Sylwester Nawrocki]

On 08/11/2017 02:35 PM, Anton Vasilyev wrote:
> If (quirks & QUIRK_SEC_DAI == 0) then samsung_i2s_probe() doesn't allocate
> sec_dai and pri_dai->sec_dai remains Null, but samsung_i2s_remove()
> permorms pri_dai->sec_dai dereference in any case.
   ^^^^^^^^
Still you have a typo here. ;)

> The patch adds sec_dai check on Null before derefence at
> samsung_i2s_remove().
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Anton Vasilyev<vasilyev at ispras.ru>

Reviewed-by: Sylwester Nawrocki <s.nawrocki at samsung.com>