From: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
To: linux-ext4@vger.kernel.org
Cc: tytso@mit.edu, Harshad Shirwadkar <harshadshirwadkar@gmail.com>,
Dan Carpenter <dan.carpenter@oracle.com>
Subject: [PATCH] ext4: use IS_ERR() for error checking of path
Date: Tue, 27 Oct 2020 13:43:42 -0700 [thread overview]
Message-ID: <20201027204342.2794949-1-harshadshirwadkar@gmail.com> (raw)
With this fix, fast commit recovery code uses IS_ERR() for path
returned by ext4_find_extent.
Fixes: 8016e29f4362 ("ext4: fast commit recovery path")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
---
fs/ext4/fast_commit.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 3ee43fd6d5aa..8d43058386c3 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -1616,8 +1616,10 @@ static int ext4_fc_replay_add_range(struct super_block *sb,
if (ret == 0) {
/* Range is not mapped */
path = ext4_find_extent(inode, cur, NULL, 0);
- if (!path)
- continue;
+ if (IS_ERR(path)) {
+ iput(inode);
+ return 0;
+ }
memset(&newex, 0, sizeof(newex));
newex.ee_block = cpu_to_le32(cur);
ext4_ext_store_pblock(
--
2.29.0.rc2.309.g374f81d7ae-goog
next reply other threads:[~2020-10-27 20:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 20:43 Harshad Shirwadkar [this message]
2020-10-28 15:55 ` [PATCH] ext4: use IS_ERR() for error checking of path Theodore Y. Ts'o
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