| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.12 343/384] ext4: fix error return code in ext4_fc_perform_commit() | Date | Mon, 10 May 2021 12:22:12 +0200 |
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From: Xu Yihang <xuyihang@huawei.com>
commit e1262cd2e68a0870fb9fc95eb202d22e8f0074b7 upstream.
In case of if not ext4_fc_add_tlv branch, an error return code is missing.
Cc: stable@kernel.org Fixes: aa75f4d3daae ("ext4: main fast-commit commit path") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Xu Yihang <xuyihang@huawei.com> Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20210408070033.123047-1-xuyihang@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/ext4/fast_commit.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/ext4/fast_commit.c +++ b/fs/ext4/fast_commit.c @@ -1088,8 +1088,10 @@ static int ext4_fc_perform_commit(journa 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);
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