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-rw-r--r--sound/drivers/dummy.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 83ac4980c5f..4e4c69e6cb4 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -230,13 +230,14 @@ static int snd_card_dummy_pcm_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_dummy_pcm *dpcm = runtime->private_data;
- unsigned int bps;
+ int bps;
+
+ bps = snd_pcm_format_width(runtime->format) * runtime->rate *
+ runtime->channels / 8;
- bps = runtime->rate * runtime->channels;
- bps *= snd_pcm_format_width(runtime->format);
- bps /= 8;
if (bps <= 0)
return -EINVAL;
+
dpcm->pcm_bps = bps;
dpcm->pcm_hz = HZ;
dpcm->pcm_buffer_size = snd_pcm_lib_buffer_bytes(substream);