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ext4: fix error return code in ext4_fc_perform_commit()
author
Xu Yihang
<xuyihang@huawei.com>
Thu, 8 Apr 2021 07:00:33 +0000
(15:00 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 11 May 2021 12:47:38 +0000
(14:47 +0200)
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
patch
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diff --git
a/fs/ext4/fast_commit.c
b/fs/ext4/fast_commit.c
index
4008a67
..
4a0411b
100644
(file)
--- a/
fs/ext4/fast_commit.c
+++ b/
fs/ext4/fast_commit.c
@@
-1032,8
+1032,10
@@
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);