From: Jan Kara <[email protected]> commit d176b1f62f242ab259ff665a26fbac69db1aecba upstream.
ext4_setup_system_zone() can fail. Handle the failure in ext4_remount(). Reviewed-by: Lukas Czerner <[email protected]> Signed-off-by: Jan Kara <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Theodore Ts'o <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- fs/ext4/super.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4968,7 +4968,10 @@ static int ext4_remount(struct super_blo ext4_register_li_request(sb, first_not_zeroed); } - ext4_setup_system_zone(sb); + err = ext4_setup_system_zone(sb); + if (err) + goto restore_opts; + if (sbi->s_journal == NULL && !(old_sb_flags & MS_RDONLY)) ext4_commit_super(sb, 1);
