From patchwork Tue Aug 17 17:21:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 12441811 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 71EA1C4320A for ; Tue, 17 Aug 2021 17:21:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5835F60FE6 for ; Tue, 17 Aug 2021 17:21:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231264AbhHQRVr (ORCPT ); Tue, 17 Aug 2021 13:21:47 -0400 Received: from smtp-relay-canonical-1.canonical.com ([185.125.188.121]:57576 "EHLO smtp-relay-canonical-1.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229723AbhHQRVr (ORCPT ); Tue, 17 Aug 2021 13:21:47 -0400 Received: from localhost (1.general.cking.uk.vpn [10.172.193.212]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPSA id 9971F3F336; Tue, 17 Aug 2021 17:21:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1629220872; bh=cnxPmKp+RyLu2md5DjVc5e+v+zyOhG6XgMhIx28x8+8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=mI1HRmsEIdO1o+FJEGWTJgzlDYOXxIgNwbxirg4xLBQEC5lb/NySOyoP/QaMg1gHN 6+sU5JuAoFv7AzGU/sffv/y0y05EjeaDc35xz0v+Ekw2RucxNUNCcg+cXYFcQxhpwg DAIfb6pTTJkkcxRBx22stMj6dtWn57Feo0TtBpcdA5LvemVI99Z4ll8gRwUkY1Cp/T 6q/ss3k7sXBHM59qBb4qmsYiFzMTS/XKRAxFt1r5++rat50pVBjMppcbMBh+Yr3OMk rGmtbkiJNO+4Gq52py3M7giZXPK3Upf8+n1A6qtyNyU98T2iCAHx9ldE3Nabw6ZE3+ FwHRnun1FaylQ== From: Colin King To: Lad Prabhakar , Jonathan Cameron , Lars-Peter Clausen , Biju Das , linux-iio@vger.kernel.org, linux-renesas-soc@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] iio: adc: Fix -EBUSY timeout error return Date: Tue, 17 Aug 2021 18:21:11 +0100 Message-Id: <20210817172111.495897-1-colin.king@canonical.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Colin Ian King Currently when a timeout occurs in rzg2l_adc_hw_init the error -EBUSY is assigned to ret but the error code is used as the function is hard-coded to return 0. The variable ret is 0 before entering the while-loop hence the fix is just to return ret at the end of the function to return the success 0 or -EBUSY return code. Addresses-Coverity: ("Unused value") Fixes: d484c21bacfa ("iio: adc: Add driver for Renesas RZ/G2L A/D converter") Signed-off-by: Colin Ian King Reviewed-by: Lad Prabhakar --- drivers/iio/adc/rzg2l_adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c index 9996d5eef289..868b183e75ea 100644 --- a/drivers/iio/adc/rzg2l_adc.c +++ b/drivers/iio/adc/rzg2l_adc.c @@ -401,7 +401,7 @@ static int rzg2l_adc_hw_init(struct rzg2l_adc *adc) exit_hw_init: clk_disable_unprepare(adc->pclk); - return 0; + return ret; } static void rzg2l_adc_pm_runtime_disable(void *data)