Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756610Ab3JJSGO (ORCPT ); Thu, 10 Oct 2013 14:06:14 -0400 Received: from mga14.intel.com ([143.182.124.37]:50321 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754804Ab3JJSGG (ORCPT ); Thu, 10 Oct 2013 14:06:06 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.90,1073,1371106800"; d="scan'208";a="373062543" From: "Kirill A. Shutemov" To: Andrew Morton , Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, "Kirill A. Shutemov" , Hirokazu Takata Subject: [PATCH 03/34] m32r: fix potential NULL-pointer dereference Date: Thu, 10 Oct 2013 21:05:28 +0300 Message-Id: <1381428359-14843-4-git-send-email-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 902 Lines: 29 Add missing check for memory allocation fail. Signed-off-by: Kirill A. Shutemov Cc: Hirokazu Takata --- arch/m32r/include/asm/pgalloc.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h index 0fc7361989..ac4208bcc5 100644 --- a/arch/m32r/include/asm/pgalloc.h +++ b/arch/m32r/include/asm/pgalloc.h @@ -43,6 +43,8 @@ static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm, { struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO); + if (!pte) + return NULL; pgtable_page_ctor(pte); return pte; } -- 1.8.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/