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| author | Chao Yu <chao2.yu@samsung.com> | 2014-06-12 13:23:41 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-07-09 05:58:08 -0700 |
| commit | d6b7d4b31dfd5a454a71c445b8086bc098237334 (patch) | |
| tree | b4316bf1bf36d7c22c243a520488259b19986f5c /fs/f2fs/super.c | |
| parent | 8bc6f60e3f7f31c4ce370b4b27b8f4b355b7f07e (diff) | |
| download | blackbird-op-linux-d6b7d4b31dfd5a454a71c445b8086bc098237334.tar.gz blackbird-op-linux-d6b7d4b31dfd5a454a71c445b8086bc098237334.zip | |
f2fs: check lower bound nid value in check_nid_range
This patch add lower bound verification for nid in check_nid_range, so nids
reserved like 0, node, meta passed by caller could be checked there.
And then check_nid_range could be used in f2fs_nfs_get_inode for simplifying
code.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index b2b18637cb9e..8f96d9372ade 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -689,9 +689,7 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb, struct f2fs_sb_info *sbi = F2FS_SB(sb); struct inode *inode; - if (unlikely(ino < F2FS_ROOT_INO(sbi))) - return ERR_PTR(-ESTALE); - if (unlikely(ino >= NM_I(sbi)->max_nid)) + if (check_nid_range(sbi, ino)) return ERR_PTR(-ESTALE); /* |
