genhd: fix leftover might_sleep() in blk_free_devt()

Commit 2da7809 changed the locking from a mutex to a spinlock, so we now longer sleep in this context. But there was a leftover might_sleep() in there, which now triggers since we do the final free from an RCU callback. Get rid of it. Reported-by: Pontus Fuchs <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
kyagi · Sep 22, 2014 · 46f341f · 46f341f
1 parent 8b95741
commit 46f341f
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/block/genhd.c b/block/genhd.c
@@ -445,8 +445,6 @@ int blk_alloc_devt(struct hd_struct *part, dev_t *devt)
  */
 void blk_free_devt(dev_t devt)
 {
-	might_sleep();
-
 	if (devt == MKDEV(0, 0))
 		return;