From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D547C1863 for ; Wed, 28 Dec 2022 14:50:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 335C2C433D2; Wed, 28 Dec 2022 14:50:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672239024; bh=LVfGN92gWg8D37EC0qoo7xa1xxd46DRrRGWQGV0stTo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gbj41zLvJi8qMVbJjURfVij9lZ6nFIDkKPTGXFPpY10uPXneVAxXzwmtZ627yX8IR 2vSbHpopHMYhYcvw07sWOnHGm5YM7W7RyuBt6FeLRfIFVgAw85asUinOZETN/IQC9P jy0eWB5gs/u0jUTrXiKNNmwwCxJOlUvL+Pj9K+cE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Shang XiaoJing , Marc Zyngier , Sasha Levin Subject: [PATCH 5.15 099/731] irqchip: gic-pm: Use pm_runtime_resume_and_get() in gic_probe() Date: Wed, 28 Dec 2022 15:33:26 +0100 Message-Id: <20221228144259.420996073@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144256.536395940@linuxfoundation.org> References: <20221228144256.536395940@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Shang XiaoJing [ Upstream commit f9ee20c85b3a3ba0afd3672630ec4f93d339f015 ] gic_probe() calls pm_runtime_get_sync() and added fail path as rpm_put to put usage_counter. However, pm_runtime_get_sync() will increment usage_counter even it failed. Fix it by replacing it with pm_runtime_resume_and_get() to keep usage counter balanced. Fixes: 9c8edddfc992 ("irqchip/gic: Add platform driver for non-root GICs that require RPM") Signed-off-by: Shang XiaoJing Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20221124065150.22809-1-shangxiaojing@huawei.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-gic-pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-pm.c b/drivers/irqchip/irq-gic-pm.c index b60e1853593f..3989d16f997b 100644 --- a/drivers/irqchip/irq-gic-pm.c +++ b/drivers/irqchip/irq-gic-pm.c @@ -102,7 +102,7 @@ static int gic_probe(struct platform_device *pdev) pm_runtime_enable(dev); - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) goto rpm_disable; -- 2.35.1