From patchwork Thu Apr 20 10:04:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13218349 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 A257CC77B7A for ; Thu, 20 Apr 2023 10:07:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234672AbjDTKHV (ORCPT ); Thu, 20 Apr 2023 06:07:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234595AbjDTKGT (ORCPT ); Thu, 20 Apr 2023 06:06:19 -0400 Received: from mail-wm1-f48.google.com (mail-wm1-f48.google.com [209.85.128.48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9437755B8; Thu, 20 Apr 2023 03:06:07 -0700 (PDT) Received: by mail-wm1-f48.google.com with SMTP id 5b1f17b1804b1-3f09b9ac51dso15223815e9.0; Thu, 20 Apr 2023 03:06:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681985167; x=1684577167; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KLQcibH4QQVSvQQ/bVwiqZIZ4Gz6ywI38VTMDoqxjbc=; b=VOmIxXA95SDiqeEAcKYxtK65XN0v+yMXY4JrV751neN0o5gzcEOpIB488TnzTfu8fB Hr5T8JdDRIWEifx9Xef5cNva2zATwQtf3o1Gp7vFrSyq4QPHWV0cbVnGJr8esEAi8x/E AnU+hm6fCKvNVkxFu8yea7WcTAwEhdqP5nA3XXp5onYWSyITNKvkMHjqeP8ZI+PbH/+4 uHHRt8mxHFDwGlAoopCAsfTowER1RbwbV166uGsyTV9gZRWgzgPc359PJg0W4CDMhK9t cmQcSIwZpz5XbROI7OL51kMp1aWYaIO3s6QGn0eBKICUvJweQTVpYLh9h16LpghmARY6 C34w== X-Gm-Message-State: AAQBX9eNV9JX98JnsEtUOtanp2r/onKIVrOHX6cBRm1G63cNuIjujET0 39Rk6tWJjHTW9CIT2XTl1ss= X-Google-Smtp-Source: AKy350ZcFFlxF5q3NJunushXVpPXUYuiC4N/We+M7gafEQiS6iroYF7bHjMp40rssazkY5tuAvcmdQ== X-Received: by 2002:a5d:4603:0:b0:2fa:a8ad:c49b with SMTP id t3-20020a5d4603000000b002faa8adc49bmr929488wrq.1.1681985166988; Thu, 20 Apr 2023 03:06:06 -0700 (PDT) Received: from localhost.localdomain (aftr-62-216-205-208.dynamic.mnet-online.de. [62.216.205.208]) by smtp.googlemail.com with ESMTPSA id l11-20020a5d674b000000b0030276f42f08sm201410wrw.88.2023.04.20.03.06.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Apr 2023 03:06:06 -0700 (PDT) From: Johannes Thumshirn To: axboe@kernel.dk Cc: johannes.thumshirn@wdc.com, agruenba@redhat.com, cluster-devel@redhat.com, damien.lemoal@wdc.com, dm-devel@redhat.com, dsterba@suse.com, hare@suse.de, hch@lst.de, jfs-discussion@lists.sourceforge.net, kch@nvidia.com, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-raid@vger.kernel.org, ming.lei@redhat.com, rpeterso@redhat.com, shaggy@kernel.org, snitzer@kernel.org, song@kernel.org, willy@infradead.org, Damien Le Moal Subject: [PATCH v4 14/22] floppy: use __bio_add_page for adding single page to bio Date: Thu, 20 Apr 2023 12:04:53 +0200 Message-Id: <20230420100501.32981-15-jth@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230420100501.32981-1-jth@kernel.org> References: <20230420100501.32981-1-jth@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org From: Johannes Thumshirn The floppy code uses bio_add_page() to add a page to a newly created bio. bio_add_page() can fail, but the return value is never checked. Use __bio_add_page() as adding a single page to a newly created bio is guaranteed to succeed. This brings us a step closer to marking bio_add_page() as __must_check. Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal --- drivers/block/floppy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 487840e3564d..6f46a30f7c36 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4147,7 +4147,7 @@ static int __floppy_read_block_0(struct block_device *bdev, int drive) cbdata.drive = drive; bio_init(&bio, bdev, &bio_vec, 1, REQ_OP_READ); - bio_add_page(&bio, page, block_size(bdev), 0); + __bio_add_page(&bio, page, block_size(bdev), 0); bio.bi_iter.bi_sector = 0; bio.bi_flags |= (1 << BIO_QUIET);