diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 468fca8894d9d0ab4fb442fb0fe835fb70ed7301..203470df5857b9eb6ab47cccf9f6e3ea27e6793f 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 } else { delay = snd_pcm_oss_bytes(substream, delay) + fixup; info.blocks = delay / runtime->oss.period_bytes; - if (stream == SNDRV_PCM_STREAM_PLAYBACK) + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (runtime->oss.bytes == 0) + delay = 0; info.bytes = (runtime->oss.bytes - delay) & INT_MAX; - else + } else { info.bytes = (runtime->oss.bytes + delay) & INT_MAX; + } } if (copy_to_user(_info, &info, sizeof(info))) return -EFAULT;