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| author |   Harshad Shirwadkar <harshadshirwadkar@gmail.com> | 2020-10-27 13:43:42 -0700 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2020-10-28 13:43:07 -0400 |
| commit | 8c9be1e58a8dc03ef815ca51ece95c5e6862b25e (patch) | |
| tree | 31c6823c71234ac714dc71ed04b3c7f99b05ed60 /fs | |
| parent | ext4: fix mmap write protection for data=journal mode (diff) | |
| download | linux-dev-8c9be1e58a8dc03ef815ca51ece95c5e6862b25e.tar.xz linux-dev-8c9be1e58a8dc03ef815ca51ece95c5e6862b25e.zip | |
ext4: use IS_ERR() for error checking of path
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>
Link: https://lore.kernel.org/r/20201027204342.2794949-1-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/fast_commit.c | 6 |
1 files 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( |