diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2013-04-18 12:01:38 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-04-21 09:53:00 +0200 |
| commit | 4daf891cdea2eb63b51cb35a3ac12706f8c50156 (patch) | |
| tree | 7be791a16c5660f9825d5c428ae1040a22cc7707 /sound/core | |
| parent | ALSA: compress_core: Calculate avail correctly for capture streams (diff) | |
| download | linux-4daf891cdea2eb63b51cb35a3ac12706f8c50156.tar.xz linux-4daf891cdea2eb63b51cb35a3ac12706f8c50156.zip | |
ALSA: compress_core: Deconstify copy callback buffer
The buffer passed to the copy callback should not be const because the
copy callback can be used for capture and playback.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/compress_offload.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 1f69863a83d2..52ca4cce1462 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -272,10 +272,12 @@ static ssize_t snd_compr_write(struct file *f, const char __user *buf, if (avail > count) avail = count; - if (stream->ops->copy) - retval = stream->ops->copy(stream, buf, avail); - else + if (stream->ops->copy) { + char __user* cbuf = (char __user*)buf; + retval = stream->ops->copy(stream, cbuf, avail); + } else { retval = snd_compr_write_data(stream, buf, avail); + } if (retval > 0) stream->runtime->total_bytes_available += retval; |