diff options
Diffstat (limited to 'drivers/media/video/zr364xx.c')
| -rw-r--r-- | drivers/media/video/zr364xx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index 18d1c4ba79fb..4e1ef10d22df 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -643,14 +643,18 @@ static int zr364xx_open(struct inode *inode, struct file *file) cam->skip = 2; + lock_kernel(); err = video_exclusive_open(inode, file); - if (err < 0) + if (err < 0) { + unlock_kernel(); return err; + } if (!cam->framebuf) { cam->framebuf = vmalloc_32(MAX_FRAME_SIZE * FRAMES); if (!cam->framebuf) { info("vmalloc_32 failed!"); + unlock_kernel(); return -ENOMEM; } } @@ -664,6 +668,7 @@ static int zr364xx_open(struct inode *inode, struct file *file) if (err < 0) { info("error during open sequence: %d", i); mutex_unlock(&cam->lock); + unlock_kernel(); return err; } } @@ -676,6 +681,7 @@ static int zr364xx_open(struct inode *inode, struct file *file) mdelay(100); mutex_unlock(&cam->lock); + unlock_kernel(); return 0; } |