From patchwork Tue Feb 6 08:55:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Nan X-Patchwork-Id: 13546881 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66BCA12D152; Tue, 6 Feb 2024 08:59:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707209998; cv=none; b=TmpQKQzHO8aV19VvrEv4w+P3q5HHv3M6bOMxhwWf5MyxoUymdkG5uYiYsX8TPd8q1cw/hUuurpIq1apESDDusd2aMd+RAnQ5RHPlH3tIvj0r/9TdW2HspBkDM7rQpUemuQBqqHNBdP5kF+UfzgMDiMjuWJ+JylSCNQVK7Xpnp/Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707209998; c=relaxed/simple; bh=oTJkRyyWHPEDWjIBAjPNXcElGoLqKERTnxTkUCe0WUY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Ml4K9snl5Fc6Fxltr7azXn7y9BRAYA5JwSMprepAdrf/X4w2m6EFplg66Rghm2isQlMq386Cm3daASpq0zpsQtRkZhFjng/Co5pAfLzkjVmJYwXJw8FZs0UlxZe8OcHM+Da6qqWmQcAnvaW4iI5N+h+dydR8UzgVgRhhKg2zUp0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.93.142]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4TTcdL56Fpz4f3kKg; Tue, 6 Feb 2024 16:59:50 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id 777CA1A016E; Tue, 6 Feb 2024 16:59:53 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP1 (Coremail) with SMTP id cCh0CgCXaBEG9cFldA+QDA--.34552S6; Tue, 06 Feb 2024 16:59:53 +0800 (CST) From: linan666@huaweicloud.com To: song@kernel.org, mariusz.tkaczyk@linux.intel.com, shli@fb.com, neilb@suse.com Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, linan666@huaweicloud.com, yukuai3@huawei.com, yi.zhang@huawei.com, houtao1@huawei.com, yangerkun@huawei.com Subject: [PATCH v6 2/9] md: changed the switch of RAID_VERSION to if Date: Tue, 6 Feb 2024 16:55:04 +0800 Message-Id: <20240206085511.2841555-3-linan666@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240206085511.2841555-1-linan666@huaweicloud.com> References: <20240206085511.2841555-1-linan666@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgCXaBEG9cFldA+QDA--.34552S6 X-Coremail-Antispam: 1UD129KBjvdXoW7GFyfWr1kJryDWr4fXFyxKrg_yoW3GrX_ua ySqas7JrW7CF1Skr1Fvr43ZryYyFs7Wr4xuFnrKr98Z3W3Zr1fWr1kGrZ8Xw4rWa4UGF98 ZrnxtrWFvr4qkjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbBkFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUXwA2048vs2IY02 0Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW7JVWDJwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UM2 8EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2vY z4IE04k24VAvwVAKI4IrM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c 02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE 4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4 IIrI8v6xkF7I0E8cxan2IY04v7M4kE6xkIj40Ew7xC0wCF04k20xvY0x0EwIxGrwCFx2Iq xVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r 106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AK xVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7 xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_ Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUvAp5UUUUU= X-CM-SenderInfo: polqt0awwwqx5xdzvxpfor3voofrz/ From: Li Nan There is only one case of this 'switch'. Change it to 'if'. Signed-off-by: Li Nan --- drivers/md/md.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 1b509fb82040..ea147348bd24 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7636,12 +7636,8 @@ static int md_ioctl(struct block_device *bdev, blk_mode_t mode, * Commands dealing with the RAID driver but not any * particular array: */ - switch (cmd) { - case RAID_VERSION: - err = get_version(argp); - goto out; - default:; - } + if (cmd == RAID_VERSION) + return get_version(argp); /* * Commands creating/starting a new array: