From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:51627 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752472AbcGYA2t (ORCPT ); Sun, 24 Jul 2016 20:28:49 -0400 Subject: Patch "ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift()" has been added to the 3.14-stable tree To: tiwai@suse.de, dan.carpenter@oracle.com, gregkh@linuxfoundation.org Cc: , From: Date: Sun, 24 Jul 2016 17:29:05 -0700 Message-ID: <1469406545169155@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 ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift() to the 3.14-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: alsa-au88x0-fix-calculation-in-vortex_wtdma_bufshift.patch and it can be found in the queue-3.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 62db7152c924e4c060e42b34a69cd39658e8a0dc Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 29 Jun 2016 15:23:08 +0200 Subject: ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift() From: Takashi Iwai commit 62db7152c924e4c060e42b34a69cd39658e8a0dc upstream. vortex_wtdma_bufshift() function does calculate the page index wrongly, first masking then shift, which always results in zero. The proper computation is to first shift, then mask. Reported-by: Dan Carpenter Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/au88x0/au88x0_core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/sound/pci/au88x0/au88x0_core.c +++ b/sound/pci/au88x0/au88x0_core.c @@ -1442,9 +1442,8 @@ static int vortex_wtdma_bufshift(vortex_ int page, p, pp, delta, i; page = - (hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2)) & - WT_SUBBUF_MASK) - >> WT_SUBBUF_SHIFT; + (hwread(vortex->mmio, VORTEX_WTDMA_STAT + (wtdma << 2)) + >> WT_SUBBUF_SHIFT) & WT_SUBBUF_MASK; if (dma->nr_periods >= 4) delta = (page - dma->period_real) & 3; else { Patches currently in stable-queue which might be from tiwai@suse.de are queue-3.14/alsa-ctl-stop-notification-after-disconnection.patch queue-3.14/alsa-dummy-fix-a-use-after-free-at-closing.patch queue-3.14/alsa-au88x0-fix-calculation-in-vortex_wtdma_bufshift.patch