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| author | Joao Marcos Costa <jmcosta944@gmail.com> | 2020-09-11 12:21:06 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-09-18 16:19:58 -0400 |
| commit | a7dc37d38c8eddcd14008b115e254279bb88bbc1 (patch) | |
| tree | f8012a5c1c4d67df08489404bad2c53686c043ea /fs/squashfs/sqfs_inode.c | |
| parent | 98f3ee09d096c6c1bc49e08d805f6354dffb0e59 (diff) | |
fs/squashfs: Fix Coverity Scan defects
Fix control flow issues and null pointer dereferences.
Signed-off-by: Joao Marcos Costa <jmcosta944@gmail.com>
Diffstat (limited to 'fs/squashfs/sqfs_inode.c')
| -rw-r--r-- | fs/squashfs/sqfs_inode.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/squashfs/sqfs_inode.c b/fs/squashfs/sqfs_inode.c index 1387779a85..1368f3063c 100644 --- a/fs/squashfs/sqfs_inode.c +++ b/fs/squashfs/sqfs_inode.c @@ -142,8 +142,11 @@ int sqfs_read_metablock(unsigned char *file_mapping, int offset, u16 header; data = file_mapping + offset; + if (!data) + return -EFAULT; + header = get_unaligned((u16 *)data); - if (!header || !data) + if (!header) return -EINVAL; *compressed = SQFS_COMPRESSED_METADATA(header); |