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authorDan Carpenter <dan.carpenter@oracle.com>2012-09-11 15:12:43 +0400
committerTakashi Iwai <tiwai@suse.de>2012-09-11 16:27:40 +0400
commit81cb324675eec592ab8f3038f980c074fbf7fb9b (patch)
tree01609ce28354864ee3ce1fb2cc16772f91d495e5 /sound/core/compress_offload.c
parent07dc59f0988cb54fd87bd373b3b27eb2401dd811 (diff)
downloadlinux-81cb324675eec592ab8f3038f980c074fbf7fb9b.tar.xz
ALSA: compress_core: fix open flags test in snd_compr_open()
O_RDONLY is zero so the original test (f->f_flags & O_RDONLY) is always false and it will never do compress capture. The test for O_WRONLY is also slightly off. The original test would consider "->flags = (O_WRONLY | O_RDWR)" as write only instead of rejecting it as invalid. I've also removed the pr_err() because that could flood dmesg. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/compress_offload.c')
-rw-r--r--sound/core/compress_offload.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index ec2118d0e27a..eb60cb8dbb8a 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -80,14 +80,12 @@ static int snd_compr_open(struct inode *inode, struct file *f)
int maj = imajor(inode);
int ret;
- if (f->f_flags & O_WRONLY)
+ if ((f->f_flags & O_ACCMODE) == O_WRONLY)
dirn = SND_COMPRESS_PLAYBACK;
- else if (f->f_flags & O_RDONLY)
+ else if ((f->f_flags & O_ACCMODE) == O_RDONLY)
dirn = SND_COMPRESS_CAPTURE;
- else {
- pr_err("invalid direction\n");
+ else
return -EINVAL;
- }
if (maj == snd_major)
compr = snd_lookup_minor_data(iminor(inode),