block: Remove code handling bio_alloc failure with __GFP_WAIT

Remove code handling bio_alloc failure with __GFP_WAIT.
GFP_KERNEL implies __GFP_WAIT.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/block/ioctl.c b/block/ioctl.c
index 0f22e629b13c..ad474d4bbcce 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;