mqueue doesn't need make_bad_inode()

It never hashes them anyway and does final iput() immediately
afterwards.  With ->drop_inode() being generic_delete_inode()...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 5108232..c93fd3f 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -176,7 +176,6 @@
 	}
 	return inode;
 out_inode:
-	make_bad_inode(inode);
 	iput(inode);
 	return NULL;
 }