ext4_setup_system_zone() can fail. Handle the failure in ext4_remount().
Reviewed-by: Lukas Czerner <lczerner@xxxxxxxxxx>
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext4/super.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 330957ed1f05..8e055ec57a2c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5653,7 +5653,10 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
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 & SB_RDONLY)) {
err = ext4_commit_super(sb, 1);
if (err)
--
2.16.4
