From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764332AbcLTN57 (ORCPT ); Tue, 20 Dec 2016 08:57:59 -0500 Received: from mail-pg0-f65.google.com ([74.125.83.65]:35511 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764310AbcLTN5z (ORCPT ); Tue, 20 Dec 2016 08:57:55 -0500 From: Geliang Tang To: Andrew Morton , zijun_hu , David Rientjes , Michal Hocko , Vladimir Davydov , Chris Wilson Cc: Geliang Tang , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH] mm/vmalloc.c: use rb_entry_safe Date: Tue, 20 Dec 2016 21:57:43 +0800 Message-Id: <81bb9820e5b9e4a1c596b3e76f88abf8c4a76cb0.1482221947.git.geliangtang@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <1e433cd03b01a3e89a22de5aa160b3442ff0cf16.1482222608.git.geliangtang@gmail.com> References: <1e433cd03b01a3e89a22de5aa160b3442ff0cf16.1482222608.git.geliangtang@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use rb_entry_safe() instead of open-coding it. Signed-off-by: Geliang Tang --- mm/vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index a558438..b9999fc 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2309,7 +2309,7 @@ EXPORT_SYMBOL_GPL(free_vm_area); #ifdef CONFIG_SMP static struct vmap_area *node_to_va(struct rb_node *n) { - return n ? rb_entry(n, struct vmap_area, rb_node) : NULL; + return rb_entry_safe(n, struct vmap_area, rb_node); } /** -- 2.9.3