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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t8-20020a1709027fc800b0017bcea4e6b6si6005204plb.234.2022.11.19.02.14.57; Sat, 19 Nov 2022 02:15:08 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@8bytes.org header.s=default header.b="wHI+bN/Y"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230244AbiKSKBF (ORCPT + 90 others); Sat, 19 Nov 2022 05:01:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230466AbiKSKBB (ORCPT ); Sat, 19 Nov 2022 05:01:01 -0500 Received: from mail.8bytes.org (mail.8bytes.org [85.214.250.239]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0A89882BD7 for ; Sat, 19 Nov 2022 02:00:59 -0800 (PST) Received: from 8bytes.org (p200300c27724780086ad4f9d2505dd0d.dip0.t-ipconnect.de [IPv6:2003:c2:7724:7800:86ad:4f9d:2505:dd0d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.8bytes.org (Postfix) with ESMTPSA id F20992A00CB; Sat, 19 Nov 2022 11:00:58 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=8bytes.org; s=default; t=1668852059; bh=sG3j6AU8MT7jufEihjOKuYx6KM3TpI7FmwnE0kt4DPQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wHI+bN/Y6atuiEw7CN4iZYxkoJGEz5uowLzy1V+chdLZlwgBnDWOPjBb0RLl5IKtj n9jXzKIlquZoFNlGrpfI2gr17/ny4K1sdcfDx0Hl4kgYUBtF53PBL24JW09oakM9qF qVWkvkFSrV8g3hZ1RFj0jlNGwkHrSndUBOPxOhkiEfKa/bOR4lzaotzWTWTPGjlXTn sL2KmF8eDsRiUkN0k+RdUPzeH5Y90vBwOeBgL1YmzZfb8+FzB0wEhzIPlTl4Vm7TRN 15e6TLrVaNx6o56bX0lMpbAlg8JBp7dZpq+gFTd/BQK83illa5l/y5h4BVslmQzzAW UwKx9vOyDrMKA== Date: Sat, 19 Nov 2022 11:00:57 +0100 From: Joerg Roedel To: Denis Arefev Cc: Will Deacon , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org, trufanov@swemel.ru, vfh@swemel.ru Subject: Re: [PATCH] iommu: amd: Added value check Message-ID: References: <20221118104252.122809-1-arefev@swemel.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20221118104252.122809-1-arefev@swemel.ru> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 18, 2022 at 01:42:52PM +0300, Denis Arefev wrote: > Аdded a return value check for the function > mmu_notifier_register. > > Return value of a function 'mmu_notifier_register' > called at iommu_v2.c:642 is not checked, > but it is usually checked for this function > > Found by Linux Verification Center (linuxtesting.org) with SVACE. > > Signed-off-by: Denis Arefev > --- > drivers/iommu/amd/iommu_v2.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Applied, thanks.