From patchwork Sun Jan 24 10:02:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12042197 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,DKIM_SIGNED, DKIM_VALID,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 6880DC433E6 for ; Sun, 24 Jan 2021 10:07:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 363C6225A9 for ; Sun, 24 Jan 2021 10:07:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726731AbhAXKGT (ORCPT ); Sun, 24 Jan 2021 05:06:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726739AbhAXKGR (ORCPT ); Sun, 24 Jan 2021 05:06:17 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68779C06174A; Sun, 24 Jan 2021 02:05:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=K6diAuI1dykKiPdXMiX1y5sNzP8n09/HziOZ9JOHixw=; b=HAB7DU15HlXBk7fo4pm48eAnnz y3wRNIuPlc+uEmBp3NuG0/4Q/71LYmoelCczGo35ecJTUghzhrxKV7xqTNkdxYhXmJkIx3OsJeLGq HCBVcZl3uCkltVbHMCmNLAc0kOD98ymy61AGyCAG7JEvKJBOhfy+I2wTZNiW3TX27FAZa/DA1atYn zfJKLIm0nnkVeMi/GHo0vD7xjQlBViMwlNR2ZeQr9FLAR7sPWXd9Cxgt3+u4UYbWygazIXbZ1uoxL ZgqpuTt+UDnH6qNK95eTlqfkeSt7KOPj7nqmvJbDDsn9bQmLYdAec9ZWMTOagQBAIPI46RmjzFFKi ERsd1Vmg==; Received: from [2001:4bb8:188:1954:a3b3:627f:702b:2136] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1l3cGh-002q98-LP; Sun, 24 Jan 2021 10:05:26 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Tejun Heo , Coly Li , Song Liu , dm-devel@redhat.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-s390@vger.kernel.org, linux-block@vger.kernel.org Subject: [PATCH 02/10] dcssblk: remove the end of device check in dcssblk_submit_bio Date: Sun, 24 Jan 2021 11:02:33 +0100 Message-Id: <20210124100241.1167849-3-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210124100241.1167849-1-hch@lst.de> References: <20210124100241.1167849-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org The block layer already checks for this conditions in bio_check_eod before calling the driver. Signed-off-by: Christoph Hellwig Acked-by: Tejun Heo Reviewed-by: Johannes Thumshirn --- drivers/s390/block/dcssblk.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 299e77ec2c4163..5c5cff3f237452 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -886,10 +886,6 @@ dcssblk_submit_bio(struct bio *bio) (bio->bi_iter.bi_size & 4095) != 0) /* Request is not page-aligned. */ goto fail; - if (bio_end_sector(bio) > get_capacity(bio->bi_disk)) { - /* Request beyond end of DCSS segment. */ - goto fail; - } /* verify data transfer direction */ if (dev_info->is_shared) { switch (dev_info->segment_type) {