Commit f39b3f45 authored by Eric Sandeen's avatar Eric Sandeen Committed by Theodore Ts'o
Browse files

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.

https://bugzilla.kernel.org/show_bug.cgi?id=199947



Reported-by: default avatarAnatoly Trosinenko <anatoly.trosinenko@yandex.com>
Reviewed-by: default avatarAndreas Dilger <adilger@dilger.ca>
Signed-off-by: default avatarEric Sandeen <sandeen@redhat.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
parent 430657b6

fs/ext4/namei.c

+1 −0
Original line number Diff line number Diff line
@@ -1398,6 +1398,7 @@ 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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