ext4: fix error return code in ext4_fc_perform_commit()

In case of if not ext4_fc_add_tlv branch, an error return code is missing.

Cc: [email protected]
Fixes: aa75f4d ("ext4: main fast-commit commit path")
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Xu Yihang <[email protected]>
Reviewed-by: Harshad Shirwadkar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Theodore Ts'o <[email protected]>

Author: Xu Yihang

fs/ext4/fast_commit.c

@@ -1088,8 +1088,10 @@ static int ext4_fc_perform_commit(journal_t *journal)
 		head.fc_tid = cpu_to_le32(
 			sbi->s_journal->j_running_transaction->t_tid);
 		if (!ext4_fc_add_tlv(sb, EXT4_FC_TAG_HEAD, sizeof(head),
-			(u8 *)&head, &crc))
+			(u8 *)&head, &crc)) {
+			ret = -ENOSPC;
 			goto out;
+		}
 	}
 
 	spin_lock(&sbi->s_fc_lock);