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authorMauro Carvalho Chehab <mchehab@redhat.com>2008-12-22 06:14:31 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:39:21 -0200
commit5db0b5e1adff92dac54f2dfb1846a42501c8f7d9 (patch)
tree35269dd4a5274febc8c90a9a667deb284161d635
parent02ebf23bc20eee5d91d008a9e831e7768d963946 (diff)
V4L/DVB (9930): em28xx: Fix bad locks on error condition
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index dbae8bcb18d..fc41eead640 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -819,8 +819,10 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
vidioc_try_fmt_vid_cap(file, priv, f);
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- if (!fmt)
- return -EINVAL;
+ if (!fmt) {
+ rc = -EINVAL;
+ goto out;
+ }
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
em28xx_errdev("%s queue busy\n", __func__);
@@ -1305,10 +1307,8 @@ static int vidioc_streamon(struct file *file, void *priv,
mutex_lock(&dev->lock);
rc = res_get(fh);
- if (unlikely(rc < 0))
- return rc;
-
- rc = videobuf_streamon(&fh->vb_vidq);
+ if (likely(rc >= 0))
+ rc = videobuf_streamon(&fh->vb_vidq);
mutex_unlock(&dev->lock);