oops happen in bttv_open while locking uninitialized mutex fh->cap.vb_lock add mutex_init before usage Signed-off-by: Dave Young <hidave.darkstar@xxxxxxxxx> Tested-by: Chris Clayton <chris2553@xxxxxxxxxxxxxx> --- drivers/media/video/bt8xx/bttv-driver.c | 2 ++ 1 file changed, 2 insertions(+) --- linux-2.6.orig/drivers/media/video/bt8xx/bttv-driver.c 2010-11-27 11:21:30.000000000 +0800 +++ linux-2.6/drivers/media/video/bt8xx/bttv-driver.c 2010-12-12 16:31:39.633333338 +0800 @@ -3291,6 +3291,8 @@ static int bttv_open(struct file *file) fh = kmalloc(sizeof(*fh), GFP_KERNEL); if (unlikely(!fh)) return -ENOMEM; + + mutex_init(&fh->cap.vb_lock); file->private_data = fh; /* -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
