From patchwork Thu May 28 12:41:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Gromm X-Patchwork-Id: 11575767 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 8AF2992A for ; Thu, 28 May 2020 12:41:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 731B32075A for ; Thu, 28 May 2020 12:41:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="sBh+ddEG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389786AbgE1Mls (ORCPT ); Thu, 28 May 2020 08:41:48 -0400 Received: from esa6.microchip.iphmx.com ([216.71.154.253]:17288 "EHLO esa6.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389746AbgE1Mls (ORCPT ); Thu, 28 May 2020 08:41:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1590669707; x=1622205707; h=from:to:cc:subject:date:message-id:mime-version; bh=XNVYxOXijcfDaVkxWFEMx1vIj2xuYX4rEfvliHK4rFA=; b=sBh+ddEG/JF/UuFC7WDI3KbhuP6GAsv8jhr7Wf6J25z4v6hsJTBowsxZ gsCuCYHoveWjGVZTQ3a2Cq9gNkHg6YH/J03XfDe8xzVBU6pus7LGQ/tn/ p/UQ0/JWBZ0lnMdUK2GoaRdighJK/SE6y4kH0AJjK9z/gHlN5hEGL5tb9 p/oZjjtzDWtmQa0g3ZTKoaXXj1DSZOEabEaAR6jhv7jIRlHTKMHCqP4g+ 18K501EK/C3AZnj4NhvaOubVDqmD7b1EMeyww9qM5g8LWnRVFqdCnoYDF d0dIrdKeBo5fvaUjUMWTxoZL5bwmCLpJUdmUa2Aen55XOsLHPA4T5QYfu w==; IronPort-SDR: uI2h0FcwQkTRcsuI6dEqE7CHSXOcqgY3LoESAKQp1ZVtdS0XzrwoNGWZoWZVeomSQI5wKMSkeV B9+Y+AZ6p2nJWnKPFqo7aB5DA4/JT6tvABlCj9G7oWhsS8pWszl7XCgM54vkd8yK3T2Et44fMs OKkmtyPjyc22GmyFeL00HGcHbmRWuc5IF9/UuI0OPwdxX2FCvNbl46mOE+kGRS2SO/6DrvQvnq tjn7TfQHqYrCofgfFqk1mtGFNKTS8vEqNYKJbSvj6OjaRU32D6rQ3DMJFYaoBiGC6w3H3LwJZ8 zlI= X-IronPort-AV: E=Sophos;i="5.73,444,1583218800"; d="scan'208";a="13787893" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 28 May 2020 05:41:46 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Thu, 28 May 2020 05:41:46 -0700 Received: from localhost.localdomain (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Thu, 28 May 2020 05:41:45 -0700 From: Christian Gromm To: CC: , , Christian Gromm Subject: [PATCH] staging: most: usb: init return value in default path of switch/case expression Date: Thu, 28 May 2020 14:41:43 +0200 Message-ID: <1590669703-20004-1-git-send-email-christian.gromm@microchip.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org This patch avoids returning an uninitialized value in the default path of the switch expression. Signed-off-by: Christian Gromm Reported-by: Dan Carpenter --- drivers/staging/most/usb/usb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c index df5876c..2640c5b 100644 --- a/drivers/staging/most/usb/usb.c +++ b/drivers/staging/most/usb/usb.c @@ -215,6 +215,7 @@ static unsigned int get_stream_frame_size(struct device *dev, break; default: dev_warn(dev, "Query frame size of non-streaming channel\n"); + frame_size = 0; break; } return frame_size;