]> git.baikalelectronics.ru Git - kernel.git/commit
ASoC: rt5682: Fix crash due to out of scope stack vars
authorRob Clark <robdclark@chromium.org>
Thu, 18 Nov 2021 01:04:52 +0000 (17:04 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 14 Dec 2021 09:57:16 +0000 (10:57 +0100)
commiteeddcebd2d36c34433254d760f6646f9dbddb4d6
treec0113bd7f7435989a42e808d6e8fa0bf4b6463ca
parentc3f3f344816d1dc020abe55c02575e39931c7293
ASoC: rt5682: Fix crash due to out of scope stack vars

commit 620f3a4490b1d07b9512c732b6767bf283c74375 upstream.

Move the declaration of temporary arrays to somewhere that won't go out
of scope before the devm_clk_hw_register() call, lest we be at the whim
of the compiler for whether those stack variables get overwritten.

Fixes a crash seen with gcc version 11.2.1 20210728 (Red Hat 11.2.1-1)

Fixes: da50df7d6f26 ("ASoC: rt5682: Drop usage of __clk_get_name()")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20211118010453.843286-1-robdclark@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/soc/codecs/rt5682.c