From patchwork Thu Feb 17 01:22:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 12749223 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01F66C433F5 for ; Thu, 17 Feb 2022 01:23:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230287AbiBQBXf (ORCPT ); Wed, 16 Feb 2022 20:23:35 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:54490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230247AbiBQBXf (ORCPT ); Wed, 16 Feb 2022 20:23:35 -0500 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08734243A2B for ; Wed, 16 Feb 2022 17:23:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1645061002; x=1676597002; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fYLKTpth04kPN5uBJAog73tyRfahB6BaZ38bC2pcZzg=; b=DYMAQkjUhigfFvCpgST6r0N7d//ck4/2Ey6Gv1rwwDSvHUsQnuy5DekK 619QXsij9Dpgjh6pvEGzMBbD/iqsh1Rh9yHn9KFjNvJCissQc6RRJOdJl 4SUrUt2WMPi4dj7vNhuw9qd76hXXBUpK7tTHcvx0jFjSLpHAvjtM2L4L/ Y=; Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 16 Feb 2022 17:23:21 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2022 17:23:06 -0800 Received: from nalasex01b.na.qualcomm.com (10.47.209.197) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.15; Wed, 16 Feb 2022 17:23:06 -0800 Received: from linyyuan-gv.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Wed, 16 Feb 2022 17:23:04 -0800 From: Linyu Yuan To: Mathias Nyman , Greg Kroah-Hartman CC: , Jack Pham , "Linyu Yuan" Subject: [PATCH v2 5/5] usb: host: xhci: remove init to some ret/retval Date: Thu, 17 Feb 2022 09:22:51 +0800 Message-ID: <1645060971-27141-6-git-send-email-quic_linyyuan@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1645060971-27141-1-git-send-email-quic_linyyuan@quicinc.com> References: <1645060971-27141-1-git-send-email-quic_linyyuan@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The ret/retval will be set when it used, no need to init at definition. Signed-off-by: Linyu Yuan --- v2: no change drivers/usb/host/xhci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 8b6f1a7..b37735e 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -327,7 +327,7 @@ static int xhci_setup_msi(struct xhci_hcd *xhci) */ static int xhci_setup_msix(struct xhci_hcd *xhci) { - int i, ret = 0; + int i, ret; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct pci_dev *pdev = to_pci_dev(hcd->self.controller); @@ -581,7 +581,7 @@ static int xhci_all_ports_seen_u0(struct xhci_hcd *xhci) static int xhci_init(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); - int retval = 0; + int retval; xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_init"); spin_lock_init(&xhci->lock); @@ -3971,7 +3971,7 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) struct xhci_command *command; unsigned long flags; u32 state; - int ret = 0; + int ret; command = xhci_alloc_command(xhci, true, GFP_KERNEL); if (!command) @@ -4007,7 +4007,7 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) xhci_free_command(xhci, command); - return ret; + return 0; } /*