diff options
Diffstat (limited to 'sound/core/oss/pcm_oss.c')
| -rw-r--r-- | sound/core/oss/pcm_oss.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 131522ea4b93..468fca8894d9 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -129,7 +129,16 @@ static long snd_pcm_oss_bytes(snd_pcm_substream_t *substream, long frames) long bytes = frames_to_bytes(runtime, frames); if (buffer_size == runtime->oss.buffer_bytes) return bytes; - return (long)(((int64_t)runtime->oss.buffer_bytes * (int64_t)bytes) / (int64_t)buffer_size); +#if BITS_PER_LONG >= 64 + return runtime->oss.buffer_bytes * bytes / buffer_size; +#else + { + u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes; + u32 rem; + div64_32(&bsize, buffer_size, &rem); + return (long)bsize; + } +#endif } static long snd_pcm_alsa_frames(snd_pcm_substream_t *substream, long bytes) |