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 7B421C43462 for ; Sat, 8 May 2021 02:55:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4BD206144F for ; Sat, 8 May 2021 02:55:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230416AbhEHC41 (ORCPT ); Fri, 7 May 2021 22:56:27 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:17596 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230165AbhEHC4X (ORCPT ); Fri, 7 May 2021 22:56:23 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4FcX192s02z16LX2; Sat, 8 May 2021 10:52:45 +0800 (CST) Received: from thunder-town.china.huawei.com (10.174.177.72) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Sat, 8 May 2021 10:55:15 +0800 From: Zhen Lei To: Peter Huewe , Jarkko Sakkinen , Jason Gunthorpe , James Bottomley , linux-integrity , linux-kernel CC: Zhen Lei Subject: [PATCH 1/1] tpm: fix error return code in tpm2_get_cc_attrs_tbl() Date: Sat, 8 May 2021 10:54:44 +0800 Message-ID: <20210508025444.1977-1-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.174.177.72] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 58472f5cd4f6("tpm: validate TPM 2.0 commands") Reported-by: Hulk Robot Signed-off-by: Zhen Lei --- drivers/char/tpm/tpm2-cmd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index eff1f12d981a..c84d23951219 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -656,6 +656,7 @@ int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip) if (nr_commands != be32_to_cpup((__be32 *)&buf.data[TPM_HEADER_SIZE + 5])) { + rc = -EFAULT; tpm_buf_destroy(&buf); goto out; } -- 2.25.1