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* [PATCH -next] ext4: fix error return code in ext4_fc_perform_commit()
@ 2021-04-08  7:00 Xu Yihang
  2021-04-08 16:26 ` harshad shirwadkar
  2021-04-10  1:28 ` Theodore Ts'o
  0 siblings, 2 replies; 3+ messages in thread
From: Xu Yihang @ 2021-04-08  7:00 UTC (permalink / raw)
  To: tytso, adilger.kernel, harshadshirwadkar, linux-ext4, linux-kernel
  Cc: xuyihang

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@huawei.com>
Signed-off-by: Xu Yihang <xuyihang@huawei.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


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2021-04-08  7:00 [PATCH -next] ext4: fix error return code in ext4_fc_perform_commit() Xu Yihang
2021-04-08 16:26 ` harshad shirwadkar
2021-04-10  1:28 ` Theodore Ts'o

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