Re: [alsa-devel] [PATCH] ALSA: fix possible memory leak in snd_mixer_oss_build_input()
At Sun, 2 Sep 2012 22:10:27 +0800, Wei Yongjun wrote:
From: Wei Yongjun yongjun_wei@trendmicro.com.cn
uinfo has been allocated in this function and should be freed before leaving from the error handling cases.
spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun yongjun_wei@trendmicro.com.cn
Applied now. Thanks.
Takashi
sound/core/oss/mixer_oss.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 18297f7..29f6ded 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -1046,6 +1046,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix if (kctl->info(kctl, uinfo)) { up_read(&mixer->card->controls_rwsem);
} strcpy(str, ptr->name);kfree(uinfo); return 0;
@@ -1061,6 +1062,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix uinfo->value.enumerated.item = slot.capture_item; if (kctl->info(kctl, uinfo)) { up_read(&mixer->card->controls_rwsem);
kfree(uinfo); return 0; } if (!strcmp(uinfo->value.enumerated.name, str)) {
participants (1)
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Takashi Iwai