From patchwork Wed Sep 2 11:01:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 11750357 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E34C21744 for ; Wed, 2 Sep 2020 11:06:15 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 768F32072A for ; Wed, 2 Sep 2020 11:06:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="QrB0eVXE"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="LN8KTAvs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 768F32072A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id D0A9D184A; Wed, 2 Sep 2020 13:05:28 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D0A9D184A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1599044773; bh=NXgeav573xoVWsJ9e7SLPQ8svoQ2BcSre88zTAW0a84=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=QrB0eVXEhjsJdoBf+CX5MLl3W3w79mITfMz6UBz8XlOQTM3Faznu8qHzVJb7PS50Q Jaegj7VM2jlYGYSmvBZ2EoP0aZA1x/CGVjLvGkqamOmx7V8Fv7eiENCmd1EWwll3Sc vBnlPiYK77AGtiBf4H6tDsv/upyAGuTaxRV28/T4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id EF8D9F80305; Wed, 2 Sep 2020 13:01:26 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 53A9BF802FB; Wed, 2 Sep 2020 13:01:23 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 4EED5F802D2 for ; Wed, 2 Sep 2020 13:01:16 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 4EED5F802D2 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="LN8KTAvs" Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 621652098B; Wed, 2 Sep 2020 11:01:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599044475; bh=NXgeav573xoVWsJ9e7SLPQ8svoQ2BcSre88zTAW0a84=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LN8KTAvshdpXMQxfJz2GAfxA34G5mquJQFmkcoLMqumsTybBV/KzvVmSQj8cEnAPq 5wxM7bZYVIexRH0dBH6DP/uU5J+0naKKCegjXSjrYLmO3nl0dW8OvKbpcZSacQwlzS MtAidBU3SMfrFtUFmUTkntIy31bd96kWh9SGToEQ= From: Greg Kroah-Hartman To: himadrispandya@gmail.com, dvyukov@google.com, linux-usb@vger.kernel.org Subject: [PATCH 03/10] USB: core: message.c: use usb_control_msg_send() in a few places Date: Wed, 2 Sep 2020 13:01:05 +0200 Message-Id: <20200902110115.1994491-4-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200902110115.1994491-1-gregkh@linuxfoundation.org> References: <20200902110115.1994491-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Andy Shevchenko , johan.hedberg@gmail.com, Greg Kroah-Hartman , marcel@holtmann.org, "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, tiwai@suse.com, stern@rowland.harvard.ed, linux-bluetooth@vger.kernel.org, Alan Stern X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" There are a few calls to usb_control_msg() that can be converted to use usb_control_msg_send() instead, so do that in order to make the error checking a bit simpler. Cc: Alan Stern Cc: "Rafael J. Wysocki" Cc: Andy Shevchenko Cc: linux-usb@vger.kernel.org Signed-off-by: Greg Kroah-Hartman Reviewed-by: Andy Shevchenko --- drivers/usb/core/message.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 6aa49b237717..dfd079485c76 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1081,7 +1081,7 @@ int usb_set_isoch_delay(struct usb_device *dev) if (dev->speed < USB_SPEED_SUPER) return 0; - return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + return usb_control_msg_send(dev, 0, USB_REQ_SET_ISOCH_DELAY, USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE, dev->hub_delay, 0, NULL, 0, @@ -1203,13 +1203,13 @@ int usb_clear_halt(struct usb_device *dev, int pipe) * (like some ibmcam model 1 units) seem to expect hosts to make * this request for iso endpoints, which can't halt! */ - result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, - USB_ENDPOINT_HALT, endp, NULL, 0, - USB_CTRL_SET_TIMEOUT); + result = usb_control_msg_send(dev, 0, + USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, + USB_ENDPOINT_HALT, endp, NULL, 0, + USB_CTRL_SET_TIMEOUT); /* don't un-halt or force to DATA0 except on success */ - if (result < 0) + if (result) return result; /* NOTE: seems like Microsoft and Apple don't bother verifying @@ -1558,9 +1558,10 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) if (dev->quirks & USB_QUIRK_NO_SET_INTF) ret = -EPIPE; else - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, - alternate, interface, NULL, 0, 5000); + ret = usb_control_msg_send(dev, 0, + USB_REQ_SET_INTERFACE, + USB_RECIP_INTERFACE, alternate, + interface, NULL, 0, 5000); /* 9.4.10 says devices don't need this and are free to STALL the * request if the interface only has one alternate setting. @@ -1570,7 +1571,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) "manual set_interface for iface %d, alt %d\n", interface, alternate); manual = 1; - } else if (ret < 0) { + } else if (ret) { /* Re-instate the old alt setting */ usb_hcd_alloc_bandwidth(dev, NULL, alt, iface->cur_altsetting); usb_enable_lpm(dev); @@ -1718,11 +1719,10 @@ int usb_reset_configuration(struct usb_device *dev) mutex_unlock(hcd->bandwidth_mutex); return retval; } - retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - USB_REQ_SET_CONFIGURATION, 0, - config->desc.bConfigurationValue, 0, - NULL, 0, USB_CTRL_SET_TIMEOUT); - if (retval < 0) + retval = usb_control_msg_send(dev, 0, USB_REQ_SET_CONFIGURATION, 0, + config->desc.bConfigurationValue, 0, + NULL, 0, USB_CTRL_SET_TIMEOUT); + if (retval) goto reset_old_alts; mutex_unlock(hcd->bandwidth_mutex); @@ -2103,10 +2103,10 @@ int usb_set_configuration(struct usb_device *dev, int configuration) } kfree(new_interfaces); - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - USB_REQ_SET_CONFIGURATION, 0, configuration, 0, - NULL, 0, USB_CTRL_SET_TIMEOUT); - if (ret < 0 && cp) { + ret = usb_control_msg_send(dev, 0, USB_REQ_SET_CONFIGURATION, 0, + configuration, 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); + if (ret && cp) { /* * All the old state is gone, so what else can we do? * The device is probably useless now anyway.