From patchwork Thu Jun 18 10:16:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 197627 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 46410C433DF for ; Thu, 18 Jun 2020 10:16:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1258720732 for ; Thu, 18 Jun 2020 10:16:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727114AbgFRKQk (ORCPT ); Thu, 18 Jun 2020 06:16:40 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:47532 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728231AbgFRKQ3 (ORCPT ); Thu, 18 Jun 2020 06:16:29 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jlras-0006Rz-5N; Thu, 18 Jun 2020 10:16:26 +0000 From: Colin King To: Herbert Xu , "David S . Miller" , linux-crypto@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] crypto: img-hash: remove redundant initialization of variable err Date: Thu, 18 Jun 2020 11:16:25 +0100 Message-Id: <20200618101625.11986-1-colin.king@canonical.com> X-Mailer: git-send-email 2.27.0.rc0 MIME-Version: 1.0 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Colin Ian King The variable err is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King --- drivers/crypto/img-hash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index 0e25fc3087f3..87226b7c2795 100644 --- a/drivers/crypto/img-hash.c +++ b/drivers/crypto/img-hash.c @@ -330,7 +330,7 @@ static int img_hash_write_via_dma(struct img_hash_dev *hdev) static int img_hash_dma_init(struct img_hash_dev *hdev) { struct dma_slave_config dma_conf; - int err = -EINVAL; + int err; hdev->dma_lch = dma_request_chan(hdev->dev, "tx"); if (IS_ERR(hdev->dma_lch)) {