ext4: remove unnecessary goto in ext4_mb_mark_diskspace_used

When ext4_read_block_bitmap fails, we can return PTR_ERR(bitmap_bh) to
remove unnecessary NULL check of bitmap_bh.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20230303172120.3800725-18-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index f7cff3b5d7405478fe530bcaca6cedcc17e1656d..4136e53341c33d6869bd3f166e8aae552c8d0fc7 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3739,9 +3739,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
 
        bitmap_bh = ext4_read_block_bitmap(sb, ac->ac_b_ex.fe_group);
        if (IS_ERR(bitmap_bh)) {
-               err = PTR_ERR(bitmap_bh);
-               bitmap_bh = NULL;
-               goto out_err;
+               return PTR_ERR(bitmap_bh);
        }
 
        BUFFER_TRACE(bitmap_bh, "getting write access");