[alsa-devel] [patch] ALSA: oss: underflow in snd_mixer_oss_proc_write()

We cap the upper bound of "idx" but not the negative side. Let's make it unsigned to fix this.

Signed-off-by: Dan Carpenter dan.carpenter@oracle.com

diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index a99f720..7a8c79d 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -1177,7 +1177,8 @@ static void snd_mixer_oss_proc_write(struct snd_info_entry *entry, struct snd_mixer_oss *mixer = entry->private_data; char line[128], str[32], idxstr[16]; const char *cptr; - int ch, idx; + unsigned int idx; + int ch; struct snd_mixer_oss_assign_table *tbl; struct slot *slot;