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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 F3FAAC07E9B for ; Mon, 19 Jul 2021 15:12:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB6E46120C for ; Mon, 19 Jul 2021 15:12:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244800AbhGSOcD (ORCPT ); Mon, 19 Jul 2021 10:32:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:39738 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242432AbhGSO0M (ORCPT ); Mon, 19 Jul 2021 10:26:12 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 45F0D6113A; Mon, 19 Jul 2021 15:06:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626707206; bh=akcR7Pm/E7YJgiGct8FsuxZrYv4JOGAcsaYKBK4XVC4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AYnzqs8JfNqeRyPg7hzMkmqDclCaeIOB9Fk5uPi5IIV0wE96TVuERPJ/9W7C0S+DS xYYW4UdHjT+goaVX7YWFxdJBSmv9FByC4YQwy8w3aO9WZGg6zSbDo4s8EVkzZMl6dF 9k0Vj8PelhGK5SyDXu4Csg2MGbfah50MaskiZerM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jack Xu , Zhehui Xiang , Giovanni Cabiddu , Herbert Xu , Sasha Levin Subject: [PATCH 4.9 036/245] crypto: qat - check return code of qat_hal_rd_rel_reg() Date: Mon, 19 Jul 2021 16:49:38 +0200 Message-Id: <20210719144941.562296608@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144940.288257948@linuxfoundation.org> References: <20210719144940.288257948@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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