Revert "V4L/DVB (8904): cx88: add missing unlock_kernel"

This reverts commit 135aedc, as
requested by Hans Verkuil.

It was a patch for 2.6.28 where the BKL was pushed down from v4l core to
the drivers, not for 2.6.27!

Requested-by: Hans Verkuil <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Signed-of-by: Linus Torvalds <[email protected]>

Author: torvalds

drivers/media/video/cx88/cx88-blackbird.c

@@ -1070,7 +1070,6 @@ static int mpeg_open(struct inode *inode, struct file *file)
 		err = drv->request_acquire(drv);
 		if(err != 0) {
 			dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
-			unlock_kernel();
 			return err;
 		}
 	}