Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1947976AbbGaVmh (ORCPT ); Fri, 31 Jul 2015 17:42:37 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:46287 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751658AbbGaTsM (ORCPT ); Fri, 31 Jul 2015 15:48:12 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Subbaraya Sundeep Bhatta , Felipe Balbi Subject: [PATCH 4.1 093/267] usb: dwc3: gadget: return error if command sent to DGCMD register fails Date: Fri, 31 Jul 2015 12:39:04 -0700 Message-Id: <20150731194004.832423301@linuxfoundation.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <20150731194001.933895871@linuxfoundation.org> References: <20150731194001.933895871@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1172 Lines: 38 4.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Subbaraya Sundeep Bhatta commit 891b1dc022955d36cf4c0f42d383226a930db7ed upstream. We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/gadget.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -291,6 +291,8 @@ int dwc3_send_gadget_generic_command(str dwc3_trace(trace_dwc3_gadget, "Command Complete --> %d", DWC3_DGCMD_STATUS(reg)); + if (DWC3_DGCMD_STATUS(reg)) + return -EINVAL; return 0; } -- 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/