diff options
| -rw-r--r-- | fs/f2fs/f2fs.h | 7 | ||||
| -rw-r--r-- | fs/f2fs/inode.c | 6 |
2 files changed, 10 insertions, 3 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index be7ae70..06ff6a5 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -515,9 +515,12 @@ static inline void mutex_unlock_op(struct f2fs_sb_info *sbi, enum lock_type t) /* * Check whether the given nid is within node id range. */ -static inline void check_nid_range(struct f2fs_sb_info *sbi, nid_t nid) +static inline int check_nid_range(struct f2fs_sb_info *sbi, nid_t nid) { - BUG_ON((nid >= NM_I(sbi)->max_nid)); + WARN_ON((nid >= NM_I(sbi)->max_nid)); + if (nid >= NM_I(sbi)->max_nid) + return -EINVAL; + return 0; } #define F2FS_DEFAULT_ALLOCATED_BLOCKS 1 diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index ddae412..e0e8308 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -44,7 +44,11 @@ static int do_read_inode(struct inode *inode) struct f2fs_inode *ri; /* Check if ino is within scope */ - check_nid_range(sbi, inode->i_ino); + if (check_nid_range(sbi, inode->i_ino)) { + f2fs_msg(inode->i_sb, KERN_ERR, "bad inode number: %lu", + (unsigned long) inode->i_ino); + return -EINVAL; + } node_page = get_node_page(sbi, inode->i_ino); if (IS_ERR(node_page)) |
