[PATCH] md: make MD no device warning KERN_WARNING

Prevents some noise during boot up when no MD volumes are found.

I think I picked it up from someone else, but I cannot remember from whom
(sorry)

Cc: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/md/md.c

@@ -406,7 +406,7 @@ static int read_disk_sb(mdk_rdev_t * rdev)
 	return 0;
 
 fail:
-	printk(KERN_ERR "md: disabled device %s, could not read superblock.\n",
+	printk(KERN_WARNING "md: disabled device %s, could not read superblock.\n",
 		bdevname(rdev->bdev,b));
 	return -EINVAL;
 }