[PATCH] Unlock inode before calling xfs_idestroy()

[Lachlan McIlroy <lachlan@sgi.com>]

Lock debugging reported the ilock was being destroyed
without being unlocked.

--- a/fs/xfs/xfs_iget.c	2008-09-19 13:03:57.000000000 +1000
+++ b/fs/xfs/xfs_iget.c	2008-09-19 13:12:38.000000000 +1000
@@ -214,6 +214,7 @@ finish_inode:
 		xfs_ilock(ip, lock_flags);
 
 	if ((ip->i_d.di_mode == 0) && !(flags & XFS_IGET_CREATE)) {
+		xfs_iunlock(ip, lock_flags);
 		xfs_idestroy(ip);
 		xfs_put_perag(mp, pag);
 		return ENOENT;
@@ -224,6 +225,7 @@ finish_inode:
 	 * write spinlock.
 	 */
 	if (radix_tree_preload(GFP_KERNEL)) {
+		xfs_iunlock(ip, lock_flags);
 		xfs_idestroy(ip);
 		delay(1);
 		goto again;
@@ -239,6 +241,7 @@ finish_inode:
 		BUG_ON(error != -EEXIST);
 		write_unlock(&pag->pag_ici_lock);
 		radix_tree_preload_end();
+		xfs_iunlock(ip, lock_flags);
 		xfs_idestroy(ip);
 		XFS_STATS_INC(xs_ig_dup);
 		goto again;