linux-kernel - [PATCH -next] ext4: fix error return code in ext4_fc_perform

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Date:   Thu, 8 Apr 2021 15:00:33 +0800
From:   Xu Yihang <xuyihang@...wei.com>
To:     <tytso@....edu>, <adilger.kernel@...ger.ca>,
        <harshadshirwadkar@...il.com>, <linux-ext4@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <xuyihang@...wei.com>
Subject: [PATCH -next] 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.

Fixes: aa75f4d3daae ("ext4: main fast-commit commit path")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Xu Yihang <xuyihang@...wei.com>
---
 fs/ext4/fast_commit.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 7541d0b5d706..312273ed8a9f 100644
--- a/fs/ext4/fast_commit.c
+++ b/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);
-- 
2.17.1