diff --git a/block/blk-barrier.c b/block/blk-barrier.c
index f7dae57e6cabdcfaaed15762c4d2b7b9889e6c77..20b4111fa0507a46a641faa295124afeaf5f4ea5 100644
--- a/block/blk-barrier.c
+++ b/block/blk-barrier.c
@@ -319,9 +319,6 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
 		return -ENXIO;
 
 	bio = bio_alloc(GFP_KERNEL, 0);
-	if (!bio)
-		return -ENOMEM;
-
 	bio->bi_end_io = bio_end_empty_barrier;
 	bio->bi_private = &wait;
 	bio->bi_bdev = bdev;
diff --git a/block/ioctl.c b/block/ioctl.c
index 0f22e629b13c8e93bf46401c0913605b5d2cbfba..ad474d4bbccee0232303c24ae381ade156ae44aa 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -146,8 +146,6 @@ static int blk_ioctl_discard(struct block_device *bdev, uint64_t start,
 		struct bio *bio;
 
 		bio = bio_alloc(GFP_KERNEL, 0);
-		if (!bio)
-			return -ENOMEM;
 
 		bio->bi_end_io = blk_ioc_discard_endio;
 		bio->bi_bdev = bdev;