From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id DA7AB6B02A6 for ; Wed, 28 Jul 2010 12:40:21 -0400 (EDT) Received: by ewy28 with SMTP id 28so2356730ewy.14 for ; Wed, 28 Jul 2010 09:40:19 -0700 (PDT) From: Kulikov Vasiliy Subject: [PATCH 05/10] mm: check kmalloc() return value Date: Wed, 28 Jul 2010 20:40:03 +0400 Message-Id: <1280335203-23305-1-git-send-email-segooon@gmail.com> Sender: owner-linux-mm@kvack.org To: kernel-janitors@vger.kernel.org Cc: Andrew Morton , Tejun Heo , KAMEZAWA Hiroyuki , Nick Piggin , Jan Beulich , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: kmalloc() may fail, if so return -ENOMEM. Signed-off-by: Kulikov Vasiliy --- mm/vmalloc.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index b7e314b..f63684a 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2437,8 +2437,11 @@ static int vmalloc_open(struct inode *inode, struct file *file) unsigned int *ptr = NULL; int ret; - if (NUMA_BUILD) + if (NUMA_BUILD) { ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL); + if (ptr == NULL) + return -ENOMEM; + } ret = seq_open(file, &vmalloc_op); if (!ret) { struct seq_file *m = file->private_data; -- 1.7.0.4 -- 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