rcu: Remove initialized but unused rnp from check_slow_task() (55fbe86e) · Commits · 戴 / test

This commit removes the variable rnp from check_slow_task(), which is defined, assigned to, but not otherwise used. Reported-by:

kernel/rcu/tree_stall.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -237,14 +237,12 @@ struct rcu_stall_chk_rdr {
		*/
		static bool check_slow_task(struct task_struct t, void arg)
		{
		struct rcu_node *rnp;
		struct rcu_stall_chk_rdr *rscrp = arg;

		if (task_curr(t))
		return false; // It is running, so decline to inspect it.
		rscrp->nesting = t->rcu_read_lock_nesting;
		rscrp->rs = t->rcu_read_unlock_special;
		rnp = t->rcu_blocked_node;
		rscrp->on_blkd_list = !list_empty(&t->rcu_node_entry);
		return true;
		}