From c8b5c505811fd4797e0ea35bcc60478d626a0971 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 30 Jul 2008 13:43:36 +0200 Subject: v4l: move BKL down to the driver level. From: Hans Verkuil The BKL is now moved from the video_open function in v4l2-dev.c to the various drivers. It seems about a third of the drivers already has a lock of some sort protecting the open(), another third uses video_exclusive_open (yuck!) and the last third required adding the BKL in their open function. Signed-off-by: Hans Verkuil --- linux/drivers/media/video/usbvision/usbvision-video.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'linux/drivers/media/video/usbvision') diff --git a/linux/drivers/media/video/usbvision/usbvision-video.c b/linux/drivers/media/video/usbvision/usbvision-video.c index b977116a0..b76295a5b 100644 --- a/linux/drivers/media/video/usbvision/usbvision-video.c +++ b/linux/drivers/media/video/usbvision/usbvision-video.c @@ -367,6 +367,7 @@ static int usbvision_v4l2_open(struct inode *inode, struct file *file) PDEBUG(DBG_IO, "open"); + lock_kernel(); usbvision_reset_powerOffTimer(usbvision); if (usbvision->user) @@ -424,6 +425,7 @@ static int usbvision_v4l2_open(struct inode *inode, struct file *file) usbvision_empty_framequeues(usbvision); PDEBUG(DBG_IO, "success"); + unlock_kernel(); return errCode; } -- cgit v1.2.3