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Commit 910bb12d authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
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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: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 987c7c31

fs/f2fs/super.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -644,6 +644,8 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb, 




	if (unlikely(ino < F2FS_ROOT_INO(sbi)))

	if (unlikely(ino < F2FS_ROOT_INO(sbi)))

		return ERR_PTR(-ESTALE);

		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!

	 * f2fs_iget isn't quite right if the inode is currently unallocated!