From 4daf891cdea2eb63b51cb35a3ac12706f8c50156 Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Thu, 18 Apr 2013 11:01:38 +0100 Subject: 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 Signed-off-by: Richard Fitzgerald Acked-by: Vinod Koul Signed-off-by: Takashi Iwai --- sound/core/compress_offload.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'sound/core') diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 1f69863a83d..52ca4cce146 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; -- cgit v1.2.3-70-g09d2