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| author | Colin Ian King | 2019-05-11 04:06:38 +0200 |
|---|---|---|
| committer | Theodore Ts'o | 2019-05-11 04:06:38 +0200 |
| commit | fbbbbd2f28aec991f3fbc248df211550fbdfd58c (patch) | |
| tree | e8aaa7d407923741c2dd3a307bb658aa66edc922 /fs/ext4 | |
| parent | ext4: fix use-after-free in dx_release() (diff) | |
| download | kernel-qcow2-linux-fbbbbd2f28aec991f3fbc248df211550fbdfd58c.tar.gz kernel-qcow2-linux-fbbbbd2f28aec991f3fbc248df211550fbdfd58c.tar.xz kernel-qcow2-linux-fbbbbd2f28aec991f3fbc248df211550fbdfd58c.zip | |
ext4: unsigned int compared against zero
There are two cases where u32 variables n and err are being checked
for less than zero error values, the checks is always false because
the variables are not signed. Fix this by making the variables ints.
Addresses-Coverity: ("Unsigned compared against 0")
Fixes: 345c0dbf3a30 ("ext4: protect journal inode's blocks using block_validity")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/block_validity.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c index 968f163b5feb..8d03550aaae3 100644 --- a/fs/ext4/block_validity.c +++ b/fs/ext4/block_validity.c @@ -142,7 +142,8 @@ static int ext4_protect_reserved_inode(struct super_block *sb, u32 ino) struct inode *inode; struct ext4_sb_info *sbi = EXT4_SB(sb); struct ext4_map_blocks map; - u32 i = 0, err = 0, num, n; + u32 i = 0, num; + int err = 0, n; if ((ino < EXT4_ROOT_INO) || (ino > le32_to_cpu(sbi->s_es->s_inodes_count))) |