The ext4_find_extent() function never returns NULL, it returns error
pointers.
Fixes: 44059e503b03 ("ext4: fast commit recovery path")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20201023112232.GB282278@mwanda
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
int ret;
path = ext4_find_extent(inode, start, NULL, 0);
- if (!path)
- return -EINVAL;
+ if (IS_ERR(path))
+ return PTR_ERR(path);
ex = path[path->p_depth].p_ext;
if (!ex) {
ret = -EFSCORRUPTED;