From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49176 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751186AbcGGApJ (ORCPT ); Wed, 6 Jul 2016 20:45:09 -0400 Subject: Patch "usb: musb: host: correct cppi dma channel for isoch transfer" has been added to the 4.4-stable tree To: b-liu@ti.com, gregkh@linuxfoundation.org, matwey@sai.msu.ru, tony@atomide.com Cc: , From: Date: Wed, 06 Jul 2016 17:45:18 -0700 Message-ID: <146785231875163@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 usb: musb: host: correct cppi dma channel for isoch transfer to the 4.4-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: usb-musb-host-correct-cppi-dma-channel-for-isoch-transfer.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 04471eb8c3158c0ad9df4b24da845a63b2e8f23a Mon Sep 17 00:00:00 2001 From: Bin Liu Date: Tue, 31 May 2016 10:05:25 -0500 Subject: usb: musb: host: correct cppi dma channel for isoch transfer From: Bin Liu commit 04471eb8c3158c0ad9df4b24da845a63b2e8f23a upstream. Incorrect cppi dma channel is referenced in musb_rx_dma_iso_cppi41(), which causes kernel NULL pointer reference oops later when calling cppi41_dma_channel_program(). Fixes: 069a3fd (usb: musb: Remove ifdefs for musb_host_rx in musb_host.c part1) Reported-by: Matwey V. Kornilov Acked-by: Tony Lindgren Signed-off-by: Bin Liu Signed-off-by: Greg Kroah-Hartman --- drivers/usb/musb/musb_host.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -1556,7 +1556,7 @@ static int musb_rx_dma_iso_cppi41(struct struct urb *urb, size_t len) { - struct dma_channel *channel = hw_ep->tx_channel; + struct dma_channel *channel = hw_ep->rx_channel; void __iomem *epio = hw_ep->regs; dma_addr_t *buf; u32 length, res; Patches currently in stable-queue which might be from b-liu@ti.com are queue-4.4/usb-gadget-fix-spinlock-dead-lock-in-gadgetfs.patch queue-4.4/usb-musb-stop-bulk-endpoint-while-queue-is-rotated.patch queue-4.4/usb-musb-ensure-rx-reinit-occurs-for-shared_fifo-endpoints.patch queue-4.4/usb-musb-host-correct-cppi-dma-channel-for-isoch-transfer.patch queue-4.4/usb-musb-only-restore-devctl-when-session-was-set-in-backup.patch