[PATCH] ext4: remove redundant operation that set bh to NULL

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From: Kaixu Xia <kaixuxia@xxxxxxxxxxx>

The out_fail branch path don't release the bh and the second bh is
valid only in the for statement, so we don't need to set them to NULL.

Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
---
 fs/ext4/super.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 5308f0d5fb5a..3ebfabc6061a 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4093,7 +4093,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	if (IS_ERR(bh)) {
 		ext4_msg(sb, KERN_ERR, "unable to read superblock");
 		ret = PTR_ERR(bh);
-		bh = NULL;
 		goto out_fail;
 	}
 	/*
@@ -4721,7 +4720,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 			       "can't read group descriptor %d", i);
 			db_count = i;
 			ret = PTR_ERR(bh);
-			bh = NULL;
 			goto failed_mount2;
 		}
 		rcu_read_lock();
-- 
2.20.0




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