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Date:   Wed, 6 Jun 2018 13:49:46 -0500
From:   Eric Sandeen <>
To:     "" <>
Subject: [PATCH] ext4: Reset error code in ext4_find_entry in fallback

When ext4_find_entry() falls back to "searching the old fashioned
way" due to a corrupt dx dir, it needs to reset the error code
to NULL so that the nonstandard ERR_BAD_DX_DIR code isn't returned
to userspace.

Reported-by: Anatoly Trosinenko <>
Signed-off-by: Eric Sandeen <>

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index b1f21e3a0763..559b2b9d392a 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1398,6 +1400,7 @@ static struct buffer_head * ext4_find_entry (struct inode *dir,
 			goto cleanup_and_exit;
 		dxtrace(printk(KERN_DEBUG "ext4_find_entry: dx failed, "
 			       "falling back\n"));
+		ret = NULL;
 	nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb);
 	if (!nblocks) {

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