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f2fs: check upper bound of ino value in f2fs_nfs_get_inode 

Upper bound checking of ino should be added to f2fs_nfs_get_inode, so unneeded
process before do_read_inode in f2fs_iget could be avoided when ino is invalid.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Chao Yu 2014-03-12 17:08:36 +08:00 committed by Jaegeuk Kim
parent 987c7c3112
commit 910bb12d29
1 changed files with 2 additions and 0 deletions
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2
fs/f2fs/super.c
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@ -644,6 +644,8 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb,
if (unlikely(ino < F2FS_ROOT_INO(sbi)))
return ERR_PTR(-ESTALE);
if (unlikely(ino >= NM_I(sbi)->max_nid))
return ERR_PTR(-ESTALE);
/*
* f2fs_iget isn't quite right if the inode is currently unallocated!