diff options
Diffstat (limited to 'fs/ext4/xattr.c')
| -rw-r--r-- | fs/ext4/xattr.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 1846e9168f80..59c9ec7eabae 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -231,13 +231,12 @@ static int __xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header, void *end, const char *function, unsigned int line) { - struct ext4_xattr_entry *entry = IFIRST(header); int error = -EFSCORRUPTED; - if (((void *) header >= end) || + if (end - (void *)header < sizeof(*header) + sizeof(u32) || (header->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC))) goto errout; - error = ext4_xattr_check_names(entry, end, entry); + error = ext4_xattr_check_names(IFIRST(header), end, IFIRST(header)); errout: if (error) __ext4_error_inode(inode, function, line, 0, |