diff options
Diffstat (limited to 'include/sound/pcm_params.h')
| -rw-r--r-- | include/sound/pcm_params.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h index c704357775fc..747c94a9a3d6 100644 --- a/include/sound/pcm_params.h +++ b/include/sound/pcm_params.h @@ -110,10 +110,14 @@ static inline void snd_mask_reset_range(struct snd_mask *mask, static inline void snd_mask_leave(struct snd_mask *mask, unsigned int val) { - unsigned int v; - v = mask->bits[MASK_OFS(val)] & MASK_BIT(val); - snd_mask_none(mask); - mask->bits[MASK_OFS(val)] = v; + unsigned int v, bits_index; + + bits_index = MASK_OFS(val); + if (bits_index < ((SNDRV_MASK_MAX+31)/32)) { + v = mask->bits[bits_index] & MASK_BIT(val); + snd_mask_none(mask); + mask->bits[bits_index] = v; + } } static inline void snd_mask_intersect(struct snd_mask *mask, |