From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" 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> References: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> Return-path: In-Reply-To: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org 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 List-Id: linux-arch.vger.kernel.org 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, 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 From: "Kirill A. Shutemov" 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> 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-arch-owner@vger.kernel.org List-ID: 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 Message-ID: <20131010180528.aIoWWsaYa-v23qladXg91SCSK4qCIdmFdT0ePFotjMY@z> 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