From patchwork Fri May 21 13:37:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 445927 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DEADC433B4 for ; Fri, 21 May 2021 13:38:54 +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 8F7B961132 for ; Fri, 21 May 2021 13:38:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8F7B961132 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.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 570B1169D; Fri, 21 May 2021 15:38:01 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 570B1169D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1621604331; bh=Iyc54z2GL+y1O/CEr+PlPVkGPRLHa2YqH4M20ibrNpo=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=czeO9qXaTeI+Ir1mNWoPWlGOyR/yLEH8KU6MeQFa3S7cSvBkQwBCK7E/DIMMY1Xza 2q43dvVUJDnXda3++10KbThAsVjfHn7sVE6YfrBpLUSudyq/HSFoeFup2OZRfetWML kpWRJya3ieNobRGf1bMyLKIyD6Y4ms0mkiqYKnvY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id BBE61F80153; Fri, 21 May 2021 15:38:00 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A18C9F801DB; Fri, 21 May 2021 15:37:58 +0200 (CEST) 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 D5C81F80153 for ; Fri, 21 May 2021 15:37:55 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D5C81F80153 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s6SEzprv" Received: by mail.kernel.org (Postfix) with ESMTPSA id 218C3610CB; Fri, 21 May 2021 13:37:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621604272; bh=Iyc54z2GL+y1O/CEr+PlPVkGPRLHa2YqH4M20ibrNpo=; h=From:To:Cc:Subject:Date:From; b=s6SEzprvCGMKKMNV6Q8mk1MmEvbc0U5Dy4KNagStbTUmpirTUiuXaYeWlXOL2hIe/ +1gJImR5q0D7msX4YN+/IXgkMCe8ke3dHBraCC1omlrE9UwcVsc/TKojXUtM9YChNg 8QekZeLdXWNuEaPit5s9efY89T6TLbL2QXVCZ4hDFnvSXxvadVT0gtkAOOtRxSenkP xrNzKMxszjeoZxGRrSrOCzRUeepn5S4Fbg5Mc2F3yB4Sa7ORv7jxFMFT97T03DVgpC 0UFX0yragJgGvh5ZxDr3rG4l8RxSim7uvdvpI5k3DREYAZavJC1ObN4bWQPXw5qqI9 /D9eJStattLgw== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1lk5Ld-0004ig-5f; Fri, 21 May 2021 15:37:53 +0200 From: Johan Hovold To: Takashi Iwai Subject: [PATCH] ALSA: usb-audio: fix control-request direction Date: Fri, 21 May 2021 15:37:42 +0200 Message-Id: <20210521133742.18098-1-johan@kernel.org> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Johan Hovold , "Geoffrey D. Bennett" 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" The direction of the pipe argument must match the request-type direction bit or control requests may fail depending on the host-controller-driver implementation. Fix the UAC2_CS_CUR request which erroneously used usb_sndctrlpipe(). Fixes: 93db51d06b32 ("ALSA: usb-audio: Check valid altsetting at parsing rates for UAC2/3") Cc: stable@vger.kernel.org # 5.10 Signed-off-by: Johan Hovold --- There's a related bug in sound/usb/mixer_scarlett_gen2.c, which Geoffrey reported and said he was preparing a patch for here: https://lore.kernel.org/r/20210520180819.GA95348@m.b4.vu Johan sound/usb/format.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/usb/format.c b/sound/usb/format.c index e6ff317a6785..2287f8c65315 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -436,7 +436,7 @@ static bool check_valid_altsetting_v2v3(struct snd_usb_audio *chip, int iface, if (snd_BUG_ON(altsetting >= 64 - 8)) return false; - err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR, + err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, UAC2_AS_VAL_ALT_SETTINGS << 8, iface, &raw_data, sizeof(raw_data));