[PATCH] converting cap_set_pg() to for_each_task_pid()

cap_set_pg() wants to find all processes in a given process group. This
converts it to use for_each_task_pid().

kernel/capability.c

@@ -84,13 +84,15 @@ static inline void cap_set_pg(int pgrp, kernel_cap_t *effective,
 			      kernel_cap_t *inheritable,
 			      kernel_cap_t *permitted)
 {
-     task_t *g, *target;
-
-     do_each_thread(g, target) {
-             if (target->pgrp != pgrp)
-                     continue;
-	     security_capset_set(target, effective, inheritable, permitted);
-     } while_each_thread(g, target);
+	task_t *g, *target;
+	struct list_head *l;
+	struct pid *pid;
+
+	for_each_task_pid(pgrp, PIDTYPE_PGID, g, l, pid) {
+		target = g;
+		while_each_thread(g, target)
+			security_capset_set(target, effective, inheritable, permitted);
+	}
 }
 
 /*