From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755296AbaJXVVI (ORCPT ); Fri, 24 Oct 2014 17:21:08 -0400 Received: from mga02.intel.com ([134.134.136.20]:15553 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752490AbaJXVVG (ORCPT ); Fri, 24 Oct 2014 17:21:06 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,782,1406617200"; d="scan'208";a="595527275" From: Matthew Wilcox To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Matthew Wilcox , willy@linux.intel.com, Andrew Morton , stable@vger.kernel.org Subject: [PATCH v12 01/20] axonram: Fix bug in direct_access Date: Fri, 24 Oct 2014 17:20:33 -0400 Message-Id: <1414185652-28663-2-git-send-email-matthew.r.wilcox@intel.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1414185652-28663-1-git-send-email-matthew.r.wilcox@intel.com> References: <1414185652-28663-1-git-send-email-matthew.r.wilcox@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The 'pfn' returned by axonram was completely bogus, and has been since 2008. Signed-off-by: Matthew Wilcox Reviewed-by: Jan Kara Reviewed-by: Mathieu Desnoyers Cc: stable@vger.kernel.org --- arch/powerpc/sysdev/axonram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index ad56edc..e8bb33b 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -156,7 +156,7 @@ axon_ram_direct_access(struct block_device *device, sector_t sector, } *kaddr = (void *)(bank->ph_addr + offset); - *pfn = virt_to_phys(kaddr) >> PAGE_SHIFT; + *pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT; return 0; } -- 2.1.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f181.google.com (mail-pd0-f181.google.com [209.85.192.181]) by kanga.kvack.org (Postfix) with ESMTP id 0AB346B0073 for ; Fri, 24 Oct 2014 17:21:22 -0400 (EDT) Received: by mail-pd0-f181.google.com with SMTP id w10so2136724pde.12 for ; Fri, 24 Oct 2014 14:21:22 -0700 (PDT) Received: from mga09.intel.com (mga09.intel.com. [134.134.136.24]) by mx.google.com with ESMTP id hm1si5038174pbb.151.2014.10.24.14.21.21 for ; Fri, 24 Oct 2014 14:21:22 -0700 (PDT) From: Matthew Wilcox Subject: [PATCH v12 01/20] axonram: Fix bug in direct_access Date: Fri, 24 Oct 2014 17:20:33 -0400 Message-Id: <1414185652-28663-2-git-send-email-matthew.r.wilcox@intel.com> In-Reply-To: <1414185652-28663-1-git-send-email-matthew.r.wilcox@intel.com> References: <1414185652-28663-1-git-send-email-matthew.r.wilcox@intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Matthew Wilcox , willy@linux.intel.com, Andrew Morton , stable@vger.kernel.org The 'pfn' returned by axonram was completely bogus, and has been since 2008. Signed-off-by: Matthew Wilcox Reviewed-by: Jan Kara Reviewed-by: Mathieu Desnoyers Cc: stable@vger.kernel.org --- arch/powerpc/sysdev/axonram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index ad56edc..e8bb33b 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -156,7 +156,7 @@ axon_ram_direct_access(struct block_device *device, sector_t sector, } *kaddr = (void *)(bank->ph_addr + offset); - *pfn = virt_to_phys(kaddr) >> PAGE_SHIFT; + *pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT; return 0; } -- 2.1.1 -- 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