Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932069Ab3JJSGS (ORCPT ); Thu, 10 Oct 2013 14:06:18 -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 S1754804Ab3JJSGP (ORCPT ); Thu, 10 Oct 2013 14:06:15 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.90,1073,1371106800"; d="scan'208";a="306244060" 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" , Jeff Dike , Richard Weinberger Subject: [PATCH 29/34] um: handle pgtable_page_ctor() fail Date: Thu, 10 Oct 2013 21:05:54 +0300 Message-Id: <1381428359-14843-30-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: 965 Lines: 34 Signed-off-by: Kirill A. Shutemov Cc: Jeff Dike Cc: Richard Weinberger --- arch/um/kernel/mem.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index 7ddb64baf3..8636e90542 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -279,8 +279,12 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) struct page *pte; pte = alloc_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); - if (pte) - pgtable_page_ctor(pte); + if (!pte) + return NULL; + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } 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/