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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36D43C83005 for ; Mon, 12 Jun 2023 10:56:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236999AbjFLK40 (ORCPT ); Mon, 12 Jun 2023 06:56:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236957AbjFLK4L (ORCPT ); Mon, 12 Jun 2023 06:56:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A94E85265 for ; Mon, 12 Jun 2023 03:43:44 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 46996615CB for ; Mon, 12 Jun 2023 10:43:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58AA6C433EF; Mon, 12 Jun 2023 10:43:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686566623; bh=4VKdvJeQ4izTZl1blo3mkVCpCYtokCTrzCYAO0Bhff0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tknyGT+rK0to7RS5cPKBJ76JoAMsy5yLRiVP5Xiua9fRNH65euI/YAQZGALidPMPu sN09I0PB5EhSU8C0t1CR5EBSbcVWYPOTxKpN03lSLA1ob5ZTV5YAfonZl1QF83eeU1 XDQgACRfCybQig3cHOzeTgzSwQ1trvhaoCRsY+9w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Dan Carpenter , Krzysztof Kozlowski , Bjorn Andersson Subject: [PATCH 6.1 095/132] soc: qcom: icc-bwmon: fix incorrect error code passed to dev_err_probe() Date: Mon, 12 Jun 2023 12:27:09 +0200 Message-ID: <20230612101714.554195434@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230612101710.279705932@linuxfoundation.org> References: <20230612101710.279705932@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Krzysztof Kozlowski commit 3530167c6fe8001de6c026a3058eaca4c8a5329f upstream. Pass to dev_err_probe() PTR_ERR from actual dev_pm_opp_find_bw_floor() call which failed, instead of previous ret which at this point is 0. Failure of dev_pm_opp_find_bw_floor() would result in prematurely ending the probe with success. Fixes smatch warnings: drivers/soc/qcom/icc-bwmon.c:776 bwmon_probe() warn: passing zero to 'dev_err_probe' drivers/soc/qcom/icc-bwmon.c:781 bwmon_probe() warn: passing zero to 'dev_err_probe' Reported-by: kernel test robot Reported-by: Dan Carpenter Link: https://lore.kernel.org/r/202305131657.76XeHDjF-lkp@intel.com/ Cc: Fixes: b9c2ae6cac40 ("soc: qcom: icc-bwmon: Add bandwidth monitoring driver") Signed-off-by: Krzysztof Kozlowski Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20230513111747.132532-1-krzysztof.kozlowski@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/soc/qcom/icc-bwmon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/soc/qcom/icc-bwmon.c +++ b/drivers/soc/qcom/icc-bwmon.c @@ -603,12 +603,12 @@ static int bwmon_probe(struct platform_d bwmon->max_bw_kbps = UINT_MAX; opp = dev_pm_opp_find_bw_floor(dev, &bwmon->max_bw_kbps, 0); if (IS_ERR(opp)) - return dev_err_probe(dev, ret, "failed to find max peak bandwidth\n"); + return dev_err_probe(dev, PTR_ERR(opp), "failed to find max peak bandwidth\n"); bwmon->min_bw_kbps = 0; opp = dev_pm_opp_find_bw_ceil(dev, &bwmon->min_bw_kbps, 0); if (IS_ERR(opp)) - return dev_err_probe(dev, ret, "failed to find min peak bandwidth\n"); + return dev_err_probe(dev, PTR_ERR(opp), "failed to find min peak bandwidth\n"); bwmon->dev = dev;