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-rw-r--r--sound/core/oss/pcm_oss.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 468fca8894d9..203470df5857 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1539,10 +1539,13 @@ static int snd_pcm_oss_get_ptr(snd_pcm_oss_file_t *pcm_oss_file, int stream, str
1539 } else { 1539 } else {
1540 delay = snd_pcm_oss_bytes(substream, delay) + fixup; 1540 delay = snd_pcm_oss_bytes(substream, delay) + fixup;
1541 info.blocks = delay / runtime->oss.period_bytes; 1541 info.blocks = delay / runtime->oss.period_bytes;
1542 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 1542 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1543 if (runtime->oss.bytes == 0)
1544 delay = 0;
1543 info.bytes = (runtime->oss.bytes - delay) & INT_MAX; 1545 info.bytes = (runtime->oss.bytes - delay) & INT_MAX;
1544 else 1546 } else {
1545 info.bytes = (runtime->oss.bytes + delay) & INT_MAX; 1547 info.bytes = (runtime->oss.bytes + delay) & INT_MAX;
1548 }
1546 } 1549 }
1547 if (copy_to_user(_info, &info, sizeof(info))) 1550 if (copy_to_user(_info, &info, sizeof(info)))
1548 return -EFAULT; 1551 return -EFAULT;