From: Xianting Tian <xianting.tian@linux.alibaba.com>
Date: Wed, 30 Jun 2021 14:33:36 +0000 (-0400)
Subject: zonefs: remove redundant null bio check
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2f53d15cf95824ed320abed3c33759b8b21aca15;p=linux.git

zonefs: remove redundant null bio check

bio_alloc() with __GFP_DIRECT_RECLAIM, which is included in
GFP_NOFS, never fails, see comments in bio_alloc_bioset().

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
---

diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index dbf03635869c3..70055d486bf70 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -705,9 +705,6 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from)
 		return 0;
 
 	bio = bio_alloc(GFP_NOFS, nr_pages);
-	if (!bio)
-		return -ENOMEM;
-
 	bio_set_dev(bio, bdev);
 	bio->bi_iter.bi_sector = zi->i_zsector;
 	bio->bi_write_hint = iocb->ki_hint;