From mboxrd@z Thu Jan 1 00:00:00 1970 From: "majianpeng" Subject: [PATCH] net/ipv4:Remove two reports using kmemleak Date: Mon, 16 Apr 2012 19:40:22 +0800 Message-ID: <201204161940178124485@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: "netdev" To: "davem" Return-path: Received: from mail-pz0-f52.google.com ([209.85.210.52]:43723 "EHLO mail-pz0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753436Ab2DPLjl (ORCPT ); Mon, 16 Apr 2012 07:39:41 -0400 Received: by dake40 with SMTP id e40so6807200dak.11 for ; Mon, 16 Apr 2012 04:39:41 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: >>From 8eb7c077dd3e746476a2a9fe059a676a6bc1a61f Mon Sep 17 00:00:00 2001 From: majianpeng Date: Mon, 16 Apr 2012 19:34:50 +0800 Subject: [PATCH] net/ipv4:Remove two reports using kmemleak. Although those two reports do not real kmemleak,I think can remove it better. Reported by kmemleak: unreferenced object 0xffff8800b8735090 (size 96): comm "swapper/0", pid 1, jiffies 4294670057 (age 542.870s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmemleak_alloc+0x21/0x50 [] __kmalloc+0x11b/0x1f0 [] __register_sysctl_paths+0x127/0x1f0 [] register_sysctl_paths+0x16/0x20 [] ip_static_sysctl_init+0x17/0x19 [] inet_init+0xb4/0x2b2 [] do_one_initcall+0x3a/0x160 [] kernel_init+0x12e/0x1b2 [] kernel_thread_helper+0x4/0x10 [] 0xffffffffffffffff unreferenced object 0xffff8800b8735730 (size 96): comm "swapper/0", pid 1, jiffies 4294670057 (age 542.870s) hex dump (first 32 bytes): 80 80 e3 81 ff ff ff ff 00 00 00 00 01 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmemleak_alloc+0x21/0x50 [] __kmalloc+0x11b/0x1f0 [] __register_sysctl_table+0x62/0x4b0 [] register_leaf_sysctl_tables+0x1c5/0x230 [] register_leaf_sysctl_tables+0xc0/0x230 [] __register_sysctl_paths+0x159/0x1f0 [] register_sysctl_paths+0x16/0x20 [] ip_static_sysctl_init+0x17/0x19 [] inet_init+0xb4/0x2b2 [] do_one_initcall+0x3a/0x160 [] kernel_init+0x12e/0x1b2 [] kernel_thread_helper+0x4/0x10 [] 0xffffffffffffffff Signed-off-by: majianpeng --- net/ipv4/route.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 167ea10..817207b 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3499,12 +3499,13 @@ int __init ip_rt_init(void) } #ifdef CONFIG_SYSCTL +static struct ctl_table_header *sysctl_header; /* * We really need to sanitize the damn ipv4 init order, then all * this nonsense will go away. */ void __init ip_static_sysctl_init(void) { - register_sysctl_paths(ipv4_path, ipv4_skeleton); + sysctl_header = register_sysctl_paths(ipv4_path, ipv4_skeleton); } #endif -- 1.7.5.4 -------------- majianpeng 2012-04-16