Commit 52d7e288 authored by Dan Carpenter's avatar Dan Carpenter Committed by Jens Axboe
Browse files

blk-mq: fix an IS_ERR() vs NULL bug 



The __blk_mq_alloc_disk() function doesn't return NULLs it returns
error pointers.

Fixes: b461dfc4 ("blk-mq: add the blk_mq_alloc_disk APIs")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/YMyjci35WBqrtqG+@mwanda


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent e42cfb1d

include/linux/blk-mq.h

+1 −1
Original line number Diff line number Diff line
@@ -431,7 +431,7 @@ enum { 
	static struct lock_class_key __key;				\

	struct gendisk *__disk = __blk_mq_alloc_disk(set, queuedata);	\

									\

	if (__disk)							\

	if (!IS_ERR(__disk))						\

		lockdep_init_map(&__disk->lockdep_map,			\

			"(bio completion)", &__key, 0);			\

	__disk;								\