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pcm_hw: Fix buffer overflow in chmap

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We can't calculate memory storage in bytes, when we're supposed
to store ints in it!

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
David Henningsson 2013-06-10 16:42:47 +02:00 • committed by Jaroslav Kysela
parent d20e24e5d1
commit c91785e002
1 changed files with 1 additions and 1 deletions
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2
src/pcm/pcm_hw.c
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@ -1187,7 +1187,7 @@ static snd_pcm_chmap_t *snd_pcm_hw_get_chmap(snd_pcm_t *pcm)
snd_pcm_state_name(FAST_PCM_STATE(hw)));
return NULL;
}
map = malloc(pcm->channels + 1);
map = malloc(pcm->channels * sizeof(map->pos[0]) + sizeof(*map));
if (!map)
return NULL;
map->channels = pcm->channels;