xfs: validate inumber in xfs_iget

Actually use the inumber validator to check the argument passed in here.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index cf629302d48e7444cc34ff64d67a9a11ee51dd87..887d2a01161e427bfdb5764c8821821a8cc8e0af 100644 (file)
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -755,7 +755,7 @@ xfs_iget(
        ASSERT((lock_flags & (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED)) == 0);
 
        /* reject inode numbers outside existing AGs */
-       if (!ino || XFS_INO_TO_AGNO(mp, ino) >= mp->m_sb.sb_agcount)
+       if (!xfs_verify_ino(mp, ino))
                return -EINVAL;
 
        XFS_STATS_INC(mp, xs_ig_attempts);