[alsa-devel] [PATCH v2] ASoC: rsnd: fix usrcnt decrementing bug

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Thu Dec 24 08:38:54 CET 2015


Hi
> 
> Field usrcnt is unsigned so it cannot be lesser than zero.
> The patch fixes the check, moves it to the beginning of the function
> and changes return value to -EIO in case of usercnt error.
> 
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
> 
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
> 
> Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
> ---

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>



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