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ext4: remove redundant operation that set bh to NULL 

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@tencent.com>
Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/1603194069-17557-1-git-send-email-kaixuxia@tencent.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Kaixu Xia 2020-10-20 19:41:09 +08:00 committed by Theodore Ts'o
parent 50a4952fd6
commit 7b721e6d33
1 changed files with 0 additions and 2 deletions
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2
fs/ext4/super.c
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@ -4074,7 +4074,6 @@ 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;
}
/*
@ -4703,7 +4702,6 @@ 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();