From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f70.google.com (mail-pg0-f70.google.com [74.125.83.70]) by kanga.kvack.org (Postfix) with ESMTP id B50196B031F for ; Tue, 20 Dec 2016 08:57:55 -0500 (EST) Received: by mail-pg0-f70.google.com with SMTP id 26so138829312pgy.6 for ; Tue, 20 Dec 2016 05:57:55 -0800 (PST) Received: from mail-pg0-x241.google.com (mail-pg0-x241.google.com. [2607:f8b0:400e:c05::241]) by mx.google.com with ESMTPS id n21si22246068pgj.254.2016.12.20.05.57.54 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Dec 2016 05:57:54 -0800 (PST) Received: by mail-pg0-x241.google.com with SMTP id b1so11989394pgc.1 for ; Tue, 20 Dec 2016 05:57:54 -0800 (PST) From: Geliang Tang 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> In-Reply-To: <1e433cd03b01a3e89a22de5aa160b3442ff0cf16.1482222608.git.geliangtang@gmail.com> References: <1e433cd03b01a3e89a22de5aa160b3442ff0cf16.1482222608.git.geliangtang@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org