From patchwork Tue Feb 23 10:48:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 387145 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 14ABAC433E0 for ; Tue, 23 Feb 2021 10:39:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BE45464E57 for ; Tue, 23 Feb 2021 10:39:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231591AbhBWKjn (ORCPT ); Tue, 23 Feb 2021 05:39:43 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:13369 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229864AbhBWKjl (ORCPT ); Tue, 23 Feb 2021 05:39:41 -0500 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4DlFqS0PZwz7mtt; Tue, 23 Feb 2021 18:37:24 +0800 (CST) Received: from localhost.localdomain (10.175.102.38) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.498.0; Tue, 23 Feb 2021 18:38:51 +0800 From: Wei Yongjun To: Hulk Robot , Giuseppe Cavallaro , Alexandre Torgue , "Jose Abreu" , Jakub Kicinski , "Nobuhiro Iwamatsu" , Maxime Coquelin CC: Wei Yongjun , , , Subject: [PATCH] net: stmmac: Fix missing spin_lock_init in visconti_eth_dwmac_probe() Date: Tue, 23 Feb 2021 10:48:03 +0000 Message-ID: <20210223104803.4047281-1-weiyongjun1@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.102.38] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly. Fixes: b38dd98ff8d0 ("net: stmmac: Add Toshiba Visconti SoCs glue driver") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun --- drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c index b7a0c57dfbfb..d23be45a64e5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c @@ -218,6 +218,7 @@ static int visconti_eth_dwmac_probe(struct platform_device *pdev) goto remove_config; } + spin_lock_init(&dwmac->lock); dwmac->reg = stmmac_res.addr; plat_dat->bsp_priv = dwmac; plat_dat->fix_mac_speed = visconti_eth_fix_mac_speed;