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Date: Wed, 14 Sep 2022 18:08:59 +0800
From: Ye Bin <yebin10@...wei.com>
To: <tytso@....edu>, <adilger.kernel@...ger.ca>,
<linux-ext4@...r.kernel.org>
CC: <linux-kernel@...r.kernel.org>, <jack@...e.cz>,
Ye Bin <yebin10@...wei.com>
Subject: [PATCH -next] ext4: fix miss release buffer head in ext4_fc_write_inode
In 'ext4_fc_write_inode' function first call 'ext4_get_inode_loc' get 'iloc',
after use it miss release 'iloc.bh'.
So just release 'iloc.bh' before 'ext4_fc_write_inode' return.
Signed-off-by: Ye Bin <yebin10@...wei.com>
---
fs/ext4/fast_commit.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 2af962cbb835..b7414a5812f6 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -874,22 +874,25 @@ static int ext4_fc_write_inode(struct inode *inode, u32 *crc)
tl.fc_tag = cpu_to_le16(EXT4_FC_TAG_INODE);
tl.fc_len = cpu_to_le16(inode_len + sizeof(fc_inode.fc_ino));
+ ret = -ECANCELED;
dst = ext4_fc_reserve_space(inode->i_sb,
sizeof(tl) + inode_len + sizeof(fc_inode.fc_ino), crc);
if (!dst)
- return -ECANCELED;
+ goto err;
if (!ext4_fc_memcpy(inode->i_sb, dst, &tl, sizeof(tl), crc))
- return -ECANCELED;
+ goto err;
dst += sizeof(tl);
if (!ext4_fc_memcpy(inode->i_sb, dst, &fc_inode, sizeof(fc_inode), crc))
- return -ECANCELED;
+ goto err;
dst += sizeof(fc_inode);
if (!ext4_fc_memcpy(inode->i_sb, dst, (u8 *)ext4_raw_inode(&iloc),
inode_len, crc))
- return -ECANCELED;
-
- return 0;
+ goto err;
+ ret = 0;
+err:
+ brelse(iloc.bh);
+ return ret;
}
/*
--
2.31.1
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