From nobody Tue Apr 7 12:12:31 2026 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 CE386ECAAA2 for ; Sun, 28 Aug 2022 20:20:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229782AbiH1UUf (ORCPT ); Sun, 28 Aug 2022 16:20:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229507AbiH1UUd (ORCPT ); Sun, 28 Aug 2022 16:20:33 -0400 Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AC641B784; Sun, 28 Aug 2022 13:20:32 -0700 (PDT) Received: by mail-pj1-x1035.google.com with SMTP id bg22so6179576pjb.2; Sun, 28 Aug 2022 13:20:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc; bh=cdXy/2p9rsMPIOWZ0T02JFAzo0QjAdnfO9SJ8dve+cc=; b=JgNeHCW2GSjwYdA5dGJu4BJGArLGwm+pMLYUUjc+6OlwAbE6fFdvuNLZRZ0Xt39aZ3 lMXqRhaYagnluWpa5we1Gt31mw8TCM0nEjhYvwD1TdFD0XbYgdghrpBpGWhiwzcZDWVJ 6jm9XwjRQBmA53V65DSSlx0G/p9y+0d4L9mbLB10QmfopkOY+Eozt4pCqTRISRtFku+I 4NpXGdG0K+Hh2wdxpolPEZqHzH6vSfMuuvMCVzL6ECWxDNbeEy3lKCzorwMQBmkIiUuM okaLGv44gWiQCP7bRp07cOUGqrB9X8ygaUB2XD9MrxMxQFn3yWR7oAylT+oUdNmmt8HE lPrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=cdXy/2p9rsMPIOWZ0T02JFAzo0QjAdnfO9SJ8dve+cc=; b=z5P1B+tL2zBcY5AsfDc07gSscSk5O8bIo6N3WgMw55FoFLGuXAjA6MSQkYw1dZeIFn JF5rmJjb7C+1aX8WNohBErdkhsSHKp1/PUZcSrAWaHfTXrCn0Eg2aAGsLsVgA7EEGVUM sgR5TbdBwVm3qbU4+4pVyAgGZ5w53bveVw9k8ViCRCFHvENzIrHI7Pa/uGzch+ED1Zwt MH+vHDqbuqWgNXe5RVI6OdoajX42ZjXmLNMNciTc1lLs4wDeWYxBfjtjCDpqpxp5IxZ3 ty0pBKZn3Ovsa+7h/tNRTg52Ej42l6OUTYT7DJ0tOFkxznoBhr0ZHRYzCpiDtTDfKoaz DE5g== X-Gm-Message-State: ACgBeo03LB82gzLc+0irau8tA1foAFl5XRewLgp4ZHP0cMBYUAoB1aaV V8YsvRQpyKBl1W2WlfPiWCldo55lHU7pGg== X-Google-Smtp-Source: AA6agR4u7YKBG/AKP0OmFj31pCo2MKGpy9d/z1b9f4ys4jGXU5e1E8J7AY2b7g5Kv2KrQ84KZQzmeA== X-Received: by 2002:a17:902:b090:b0:172:deae:b990 with SMTP id p16-20020a170902b09000b00172deaeb990mr13186031plr.31.1661718031355; Sun, 28 Aug 2022 13:20:31 -0700 (PDT) Received: from localhost.localdomain (lily-optiplex-3070.dynamic.ucsd.edu. [2607:f720:1300:3033::1:4dd]) by smtp.googlemail.com with ESMTPSA id u71-20020a62794a000000b005368341381fsm5671048pfc.106.2022.08.28.13.20.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Aug 2022 13:20:30 -0700 (PDT) From: Li Zhong To: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Cc: mturquette@baylibre.com, sboyd@kernel.org, lily Subject: [PATCH v1] drivers/clk/clk: check return value of clk_pm_runtime_get() Date: Sun, 28 Aug 2022 13:20:25 -0700 Message-Id: <20220828202025.1948848-1-floridsleeves@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: lily clk_pm_runtime_get() could fail. Check the return status. Signed-off-by: Li Zhong Reported-by: kernel test robot --- drivers/clk/clk.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 7fc191c15507..f22b86dfe2f2 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2981,8 +2981,11 @@ static void clk_summary_show_subtree(struct seq_file= *s, struct clk_core *c, int level) { struct clk_core *child; - - clk_pm_runtime_get(c); + int ret; +=09 + ret =3D clk_pm_runtime_get(c); + if (ret) + return; clk_summary_show_one(s, c, level); clk_pm_runtime_put(c); =20 --=20 2.25.1