From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: [PATCH 02/34] cris: fix potential NULL-pointer dereference Date: Thu, 10 Oct 2013 21:05:27 +0300 Message-ID: <1381428359-14843-3-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" , Mikael Starvik , Jesper Nilsson List-Id: linux-arch.vger.kernel.org Add missing check for memory allocation fail. Signed-off-by: Kirill A. Shutemov Cc: Mikael Starvik Cc: Jesper Nilsson --- arch/cris/include/asm/pgalloc.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h index 6da975db11..d9504d38c2 100644 --- a/arch/cris/include/asm/pgalloc.h +++ b/arch/cris/include/asm/pgalloc.h @@ -32,6 +32,8 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres { struct page *pte; pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); + 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 mga09.intel.com ([134.134.136.24]:24829 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754604Ab3JJSGG (ORCPT ); Thu, 10 Oct 2013 14:06:06 -0400 From: "Kirill A. Shutemov" Subject: [PATCH 02/34] cris: fix potential NULL-pointer dereference Date: Thu, 10 Oct 2013 21:05:27 +0300 Message-ID: <1381428359-14843-3-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" , Mikael Starvik , Jesper Nilsson Message-ID: <20131010180527.gTHL7Capeo8VRuSVesY5S-y4lncI9Bw8iE7poNbHb7Q@z> Add missing check for memory allocation fail. Signed-off-by: Kirill A. Shutemov Cc: Mikael Starvik Cc: Jesper Nilsson --- arch/cris/include/asm/pgalloc.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h index 6da975db11..d9504d38c2 100644 --- a/arch/cris/include/asm/pgalloc.h +++ b/arch/cris/include/asm/pgalloc.h @@ -32,6 +32,8 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres { struct page *pte; pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); + if (!pte) + return NULL; pgtable_page_ctor(pte); return pte; } -- 1.8.4.rc3