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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 2F4C5C11F7A for ; Sun, 4 Jul 2021 23:23:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1920C61364 for ; Sun, 4 Jul 2021 23:23:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233892AbhGDXYS (ORCPT ); Sun, 4 Jul 2021 19:24:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:50748 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234305AbhGDXPA (ORCPT ); Sun, 4 Jul 2021 19:15:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B0A876141C; Sun, 4 Jul 2021 23:12:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625440326; bh=akcR7Pm/E7YJgiGct8FsuxZrYv4JOGAcsaYKBK4XVC4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JQgXJ0mn03JbNV29chF4csgkL9Tu08R57/ItYeswqJtvpMF7aVhbPl3GpROBO7HJR jvgVSNGC4beW0PugY3rLjh/VxqRY77HwhcSQb3JCT6f9RCQDkhwvL7N8tKnMbdq5V4 SmyiSgxkyW2eWUUlB+rtS2OxScRlTVxJcoYGErepDFURSCsM9uDsFjBk9mMBbW5vt6 II8xzkncLNCC0JYAI5ebbGvJ7dK/UX8LdTF8Z3GOYbTij945A7f3E+udQbnEM9DG70 2VZCARnTeT1pSv7wJHmyLWCmhlVTXZpr8mGQKGw4qO7yUfJqzqxrfdLCWyidrLRt4x pQSStPnGQ39aQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jack Xu , Zhehui Xiang , Giovanni Cabiddu , Herbert Xu , Sasha Levin , qat-linux@intel.com, linux-crypto@vger.kernel.org, clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 4.9 08/20] crypto: qat - check return code of qat_hal_rd_rel_reg() Date: Sun, 4 Jul 2021 19:11:43 -0400 Message-Id: <20210704231155.1491795-8-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210704231155.1491795-1-sashal@kernel.org> References: <20210704231155.1491795-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jack Xu [ Upstream commit 96b57229209490c8bca4335b01a426a96173dc56 ] Check the return code of the function qat_hal_rd_rel_reg() and return it to the caller. This is to fix the following warning when compiling the driver with clang scan-build: drivers/crypto/qat/qat_common/qat_hal.c:1436:2: warning: 6th function call argument is an uninitialized value Signed-off-by: Jack Xu Co-developed-by: Zhehui Xiang Signed-off-by: Zhehui Xiang Reviewed-by: Giovanni Cabiddu Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/qat/qat_common/qat_hal.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c index 8c4fd255a601..cdf80c16a033 100644 --- a/drivers/crypto/qat/qat_common/qat_hal.c +++ b/drivers/crypto/qat/qat_common/qat_hal.c @@ -1255,7 +1255,11 @@ static int qat_hal_put_rel_wr_xfer(struct icp_qat_fw_loader_handle *handle, pr_err("QAT: bad xfrAddr=0x%x\n", xfr_addr); return -EINVAL; } - qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, &gprval); + status = qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, &gprval); + if (status) { + pr_err("QAT: failed to read register"); + return status; + } gpr_addr = qat_hal_get_reg_addr(ICP_GPB_REL, gprnum); data16low = 0xffff & data; data16hi = 0xffff & (data >> 0x10); -- 2.30.2