From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 3A39EC433F5 for ; Fri, 10 Sep 2021 02:31:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B3C9610C7 for ; Fri, 10 Sep 2021 02:31:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229776AbhIJCcr (ORCPT ); Thu, 9 Sep 2021 22:32:47 -0400 Received: from smtp23.cstnet.cn ([159.226.251.23]:43662 "EHLO cstnet.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229441AbhIJCcp (ORCPT ); Thu, 9 Sep 2021 22:32:45 -0400 X-Greylist: delayed 451 seconds by postgrey-1.27 at vger.kernel.org; Thu, 09 Sep 2021 22:32:45 EDT Received: from localhost.localdomain (unknown [124.16.141.243]) by APP-03 (Coremail) with SMTP id rQCowADHznqtwTphvvIJAA--.9900S2; Fri, 10 Sep 2021 10:23:41 +0800 (CST) From: Xu Wang To: axboe@kernel.dk Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] blk-zoned: Remove needless request_queue NULL pointer checks Date: Fri, 10 Sep 2021 02:23:38 +0000 Message-Id: <20210910022338.22878-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: rQCowADHznqtwTphvvIJAA--.9900S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZw4fCry8Gr15Cw45Xw17GFg_yoW3KFc_Xr 10v397Xrs5XFs8ur4qyFyUZ3Zavas7GF4IgFWIqasFgas3W3ZxArW3Wrn8urZrW3yUGr15 Zr45urZxXr1xXjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbcxYjsxI4VWkCwAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVWxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwV C2z280aVCY1x0267AKxVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVAC Y4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVW8Jr 0_Cr1UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY02Avz4vE14v_Gr1l 42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJV WUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1Y6r17MIIYrxkI7VAK I48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r 4UMIIF0xvE42xK8VAvwI8IcIk0rVWrZr1j6s0DMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF 0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8k-BtUUUUU== X-Originating-IP: [124.16.141.243] X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiCgkAA1z4j8R70gAAsG Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The request_queue pointer returned from bdev_get_queue() shall never be NULL, so the NULL checks are unnecessary, just remove them. Signed-off-by: Xu Wang --- block/blk-zoned.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 1d0c76c18fc5..5160972a009a 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -354,8 +354,6 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, return -EINVAL; q = bdev_get_queue(bdev); - if (!q) - return -ENXIO; if (!blk_queue_is_zoned(q)) return -ENOTTY; @@ -412,8 +410,6 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, return -EINVAL; q = bdev_get_queue(bdev); - if (!q) - return -ENXIO; if (!blk_queue_is_zoned(q)) return -ENOTTY; -- 2.17.1