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 2D2C2C07E95 for ; Sun, 4 Jul 2021 23:21:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11BB861364 for ; Sun, 4 Jul 2021 23:21:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233306AbhGDXXt (ORCPT ); Sun, 4 Jul 2021 19:23:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:50590 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234216AbhGDXO5 (ORCPT ); Sun, 4 Jul 2021 19:14:57 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DFBF3613F9; Sun, 4 Jul 2021 23:11:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625440296; bh=akcR7Pm/E7YJgiGct8FsuxZrYv4JOGAcsaYKBK4XVC4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Kasf3JE6+aUdICQriiAQ3+YhYu7hE6tLwiCI1xNB+Ax0YiUuRa2xYSAXG19g9EJk8 BXIFGd+qvkMRirsmZZY+YwvxMCFytWH9sx6jZQJNDb7pSlv47dxIu+LKCh/wUNtqk4 UywubCfqww1cPz3v/wyu5SxQH7Z1nO6oylRH5pmRUNwhlG2wuHQfXpkOsD4aTfCg+z kyILViSfzRjoQ2XHfG4DWhXAXPSbAr29pDTkfz8nWEesWDWe32ZQTvBe/0doFiYU4d kUjGTE4ES7rgiHDphW9YXvWF+C0KeIgAfTZ8NPIFgRqMv4XdL2ae4vl2bPz187vJiP ygOGOeAQE7m1Q== 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 4.14 10/25] crypto: qat - check return code of qat_hal_rd_rel_reg() Date: Sun, 4 Jul 2021 19:11:08 -0400 Message-Id: <20210704231123.1491517-10-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210704231123.1491517-1-sashal@kernel.org> References: <20210704231123.1491517-1-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