From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46417 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757114AbcIVNqP (ORCPT ); Thu, 22 Sep 2016 09:46:15 -0400 Subject: Patch "rapidio/tsi721: fix incorrect detection of address translation condition" has been added to the 4.7-stable tree To: alexandre.bounine@idt.com, akpm@linux-foundation.org, andre.van.herk@prodrive-technologies.com, barry.wood@idt.com, gregkh@linuxfoundation.org, mporter@kernel.crashing.org, torvalds@linux-foundation.org Cc: , From: Date: Thu, 22 Sep 2016 15:36:10 +0200 Message-ID: <147455137050100@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled rapidio/tsi721: fix incorrect detection of address translation condition to the 4.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch and it can be found in the queue-4.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From b30069291dc7f9b9a073c33d619818fe4a8e50de Mon Sep 17 00:00:00 2001 From: Alexandre Bounine Date: Thu, 1 Sep 2016 16:15:18 -0700 Subject: rapidio/tsi721: fix incorrect detection of address translation condition From: Alexandre Bounine commit b30069291dc7f9b9a073c33d619818fe4a8e50de upstream. Fix incorrect condition to identify involvment of a address translation mechanism. This bug results in NULL pointer kernel crash dump in cases when mapping of inbound RapidIO address range is requested within existing aprture. Link: http://lkml.kernel.org/r/20160901173144.2983-1-alexandre.bounine@idt.com Signed-off-by: Alexandre Bounine Cc: Matt Porter Cc: Andre van Herk Cc: Barry Wood Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- drivers/rapidio/devices/tsi721.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -1148,7 +1148,7 @@ static int tsi721_rio_map_inb_mem(struct } else if (ibw_start < (ib_win->rstart + ib_win->size) && (ibw_start + ibw_size) > ib_win->rstart) { /* Return error if address translation involved */ - if (direct && ib_win->xlat) { + if (!direct || ib_win->xlat) { ret = -EFAULT; break; } Patches currently in stable-queue which might be from alexandre.bounine@idt.com are queue-4.7/rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch