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Date:   Mon, 1 Jun 2020 15:34:04 +0800
From:   yangerkun <>
To:     <>, <>, <>
CC:     <>, <>,
Subject: [PATCH] ext4: stop overwrite the errcode in ext4_setup_super

Now the errcode from ext4_commit_super will overwrite EROFS exists in
ext4_setup_super. Actually, no need to call ext4_commit_super since we
will return EROFS. Fix it by goto done directly.

Fixes: c89128a00838 ("ext4: handle errors on ext4_commit_super")
Signed-off-by: yangerkun <>
 fs/ext4/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bf5fcb477f66..87c5611a4c67 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2344,6 +2344,7 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
 		ext4_msg(sb, KERN_ERR, "revision level too high, "
 			 "forcing read-only mode");
 		err = -EROFS;
+		goto done;
 	if (read_only)
 		goto done;

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