Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1206031pxf; Fri, 9 Apr 2021 02:44:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyl8psR5d9N0n/3m1IILbPkroGw66lgo14IZOJRRMxNJOz5Ae54jlXk4nSNzySbzAyislG3 X-Received: by 2002:a63:f914:: with SMTP id h20mr12522820pgi.114.1617961446075; Fri, 09 Apr 2021 02:44:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617961446; cv=none; d=google.com; s=arc-20160816; b=BXaziMMkndaSVUSuULXw/5mleJPsreqeRIyeXQbrxpOEe01GBKwYLmmvCVQMj/euJ+ CxJwW0eE8vOpa881ftWw2+lLhO1p3DdyVH//FrvfbB5wZ/PJx2mSsyYu6q2pP6RIZYT2 A8eOiqie7/T0YskyV8aFK2BAdj2ifrJVcRgX2mn853+Mn+00Mq0FMPoijpALBc1zpFqP 9yuIxMCIRyAG940UXy96HF1XQXFNnM1TgdRtAPG8RbDYbQQl9khMq6ho9SqicLv1gAoA 7f5DBbNKLgDsOWIv9vh0seQWec3ZqUo7FJ0g4TC3oqayGexGHUGgUAcr6ycxzOznSlqg sxvw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=6hUoKEUGmEh0xIAe34nMS2VgUOuN6rZqmrKbSPaQ6do=; b=Sut+s76Cyq9cgMAXYjpEVT7ITfKnXvwA1SG4DL1sNaDYUPZp34NJ7WN+vR4LGrilQr HKvuXPBUiMUIQvEKCR7Od3Zl2TJIPv2bC3JeVbCpBWxVdgNBAlxwUXbquIGIbVokmgFQ rnEAIerVJX736NK3/o6cUAfbzkboq1KGbdvMqp/LfQhJ+P1J/JlLK7WpBA/cazm4G27V 35Z6CtpaCLzr/DcZpDBeU+KCFrE7yeb0TwY+qKoFygCbFqR7kwOnlEGai5Eu4WSGZ1La gFByp/UKqH0NyiYPh51tbEOLREnjlyxewBjJYY/G6e8DcH+7EnrtA/cMW7kyRnaox+u8 +R5g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lk18si3177885pjb.69.2021.04.09.02.43.53; Fri, 09 Apr 2021 02:44:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232642AbhDIJnf (ORCPT + 99 others); Fri, 9 Apr 2021 05:43:35 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:16507 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232286AbhDIJne (ORCPT ); Fri, 9 Apr 2021 05:43:34 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FGtR46CzZzPpTF; Fri, 9 Apr 2021 17:40:32 +0800 (CST) Received: from huawei.com (10.175.127.227) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.498.0; Fri, 9 Apr 2021 17:43:10 +0800 From: Ye Bin To: , Arnd Bergmann , Greg Kroah-Hartman , Michal Simek CC: , , , Hulk Robot Subject: [PATCH -next] char: xilinx_hwicap: use DEFINE_MUTEX() for mutex lock Date: Fri, 9 Apr 2021 17:51:36 +0800 Message-ID: <20210409095136.2293754-1-yebin10@huawei.com> X-Mailer: git-send-email 2.25.4 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Originating-IP: [10.175.127.227] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Reported-by: Hulk Robot Signed-off-by: Ye Bin --- drivers/char/xilinx_hwicap/xilinx_hwicap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c index 067396bedf22..4d586233dfa4 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c @@ -111,7 +111,7 @@ /* An array, which is set to true when the device is registered. */ static DEFINE_MUTEX(hwicap_mutex); static bool probed_devices[HWICAP_DEVICES]; -static struct mutex icap_sem; +static DEFINE_MUTEX(icap_sem); static struct class *icap_class; @@ -857,7 +857,6 @@ static int __init hwicap_module_init(void) int retval; icap_class = class_create(THIS_MODULE, "xilinx_config"); - mutex_init(&icap_sem); devt = MKDEV(XHWICAP_MAJOR, XHWICAP_MINOR); retval = register_chrdev_region(devt,