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 dbf0363..70055d4 100644 (file)
--- 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;