dm-mpath.c: Set the pg->m backpointer correctly.  [Kevin Corry]
--- diff/drivers/md/dm-mpath.c	2004-02-27 15:25:31.000000000 +0000
+++ source/drivers/md/dm-mpath.c	2004-03-01 11:42:38.000000000 +0000
@@ -393,6 +393,7 @@ static struct priority_group *parse_prio
 		ti->error = ESTR("couldn't allocate priority group");
 		return NULL;
 	}
+	pg->m = m;
 
 	pst = dm_get_path_selector(shift(as));
 	if (!pst) {