Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp96477imm; Tue, 31 Jul 2018 14:32:08 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfrov5gPzA4ShHoYpnKNtgaX/DrqmgCk242003dOORUoYS0N+YLbyLYVTA9azYHBWkN+bBX X-Received: by 2002:a63:90c8:: with SMTP id a191-v6mr22039066pge.173.1533072728795; Tue, 31 Jul 2018 14:32:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1533072728; cv=none; d=google.com; s=arc-20160816; b=nNEiCNNo/SmOIfuKH1VdkF7cH+yZU37B9PI/smqqs0nR0PuVwBpqKbAdimB4pJlMW0 2SEqx9y9deDfCSmt2Z/ioy+fHu/kM6eVmz07OJKt8smGPY/7NXgxZVgL+qU5ZJR9wfAL nSts22bNNFNly8AKtOdilMZ4hbja6Q1RSHbU/vuwqR3qk9Qre3A3O5sUC7SriKVw5gG2 9EuXmaH6GwQ/d3tT8oBoJkMkjatWrFQ/497mE36BV4mlEzoOeq6+Arv8w/uo9bDsijMN nR9BrqPc7itR8ejxrg3sQGxyg1QekFCOeya9WuVTppvXvq0JWf65ihZVz1n0Srd0nGIr odAQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date :arc-authentication-results; bh=zaXuM399J2/2o/YmajVqbLDGpHbv07Gs+D5nSn4m4ns=; b=M5IcCzbLVplnKndmnz2cYX7OT78F0nHa0GcpU/31dlvzsEjIpcXCSEh0edZC9GZBmX pXP9lKgj7zbSQPY9nRIJsdYcb1LJlNWEAMBTWezVOhE6TS68+QmUj53N2+E6B5B0LX+G FhG1gBQrbTsRDPPz7Nm6Lnq7EcgmHyC8Rc8GZ29KrpARtlC+Nc8z/4DqK+FKOD4cydKe i9ODpZJXnjkLKfdMIvoG4q415vlY433cpYKGHGcV6hJlYuEdNstzpEh4dPNss7fMnZRW lJXwZgwrqqBMEUREJb22XaRBfPEhTYNf7HSHVYJ+rjOsVnJG4jC/BwsMw4Wtm+bjdIHf 2+ig== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x4-v6si12643280plo.459.2018.07.31.14.31.49; Tue, 31 Jul 2018 14:32:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732557AbeGaXMh (ORCPT + 99 others); Tue, 31 Jul 2018 19:12:37 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:59442 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729315AbeGaXMh (ORCPT ); Tue, 31 Jul 2018 19:12:37 -0400 Received: from localhost (unknown [172.58.43.50]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 50586100A811F; Tue, 31 Jul 2018 14:30:17 -0700 (PDT) Date: Tue, 31 Jul 2018 14:30:15 -0700 (PDT) Message-Id: <20180731.143015.1326547191404152411.davem@davemloft.net> To: keescook@chromium.org Cc: axboe@kernel.dk, hch@infradead.org, martin.petersen@oracle.com, jejb@linux.vnet.ibm.com, tj@kernel.org, bp@alien8.de, manoj@linux.vnet.ibm.com, mrochs@linux.vnet.ibm.com, ukrishn@linux.vnet.ibm.com, nab@linux-iscsi.org, tglx@linutronix.de, pombredanne@nexb.com, sboyd@codeaurora.org, cyrille.pitchen@free-electrons.com, jgross@suse.com, viresh.kumar@linaro.org, u.kleine-koenig@pengutronix.de, sdharia@codeaurora.org, rdunlap@infradead.org, vinod.koul@intel.com, david.kershner@unisys.com, linux-block@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 6/9] ide-cd: Remove redundant sense buffer From: David Miller In-Reply-To: <20180731195155.46664-7-keescook@chromium.org> References: <20180731195155.46664-1-keescook@chromium.org> <20180731195155.46664-7-keescook@chromium.org> X-Mailer: Mew version 6.7 on Emacs 26 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 31 Jul 2018 14:30:19 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kees Cook Date: Tue, 31 Jul 2018 12:51:51 -0700 > This is already able to process the sense buffer, so remove the redundant > parsing during the failure path. This also fixes any possible stale values > since the prior code did not check the sense length. > > Signed-off-by: Kees Cook Acked-by: David S. Miller