From patchwork Sat Feb 23 13:06:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 10827483 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E89091823 for ; Sat, 23 Feb 2019 13:09:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D36682F3ED for ; Sat, 23 Feb 2019 13:09:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C773F2F3F1; Sat, 23 Feb 2019 13:09:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 014F92F405 for ; Sat, 23 Feb 2019 13:09:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727749AbfBWNJF (ORCPT ); Sat, 23 Feb 2019 08:09:05 -0500 Received: from mail-wm1-f67.google.com ([209.85.128.67]:54973 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727880AbfBWNIJ (ORCPT ); Sat, 23 Feb 2019 08:08:09 -0500 Received: by mail-wm1-f67.google.com with SMTP id a62so4256527wmh.4 for ; Sat, 23 Feb 2019 05:08:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=HqlZ9y60+g61RglAPoiE/a+Pic8KuxjtCcTeAXdOW8w=; b=UDySiRAEDlj+2/nVLaWr1kRMDEterDlOGCjGMrfb5Qcyxd3BCAjB9t+XzXvOc70r3G hElqqI6om74Ug3hEio91Ol9EbkkFnJh2QrbqlI8cYMgnmPq0FzrF+EzGPU/HkOk5LeoQ jAQfXM2AF4+g3cZ/2w0YDGcpBJ0D1pLuZ8DWVLzmc/V/cFVS+7td9moAOrKf0WPbUW3d iF/+XVkeqPq8o5/wskCbGn7u2XlxHuISEU3/imhDFYLwjNvihWjcT4Q3IAWMKbit+t3N DmTgqKugwVilOQIhbZ4Ma4I57VG1bBKd6WiDIxAQgzjGmOr3Fs6ht00liZAW+d4iraDk QJHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=HqlZ9y60+g61RglAPoiE/a+Pic8KuxjtCcTeAXdOW8w=; b=hoZgH8IWhKzgWK1ZHN+fqRUFDEFpuEE3gBbW1FVrPQMEwMSefjwHEzKRWez84d/Ylk BuB45linCZKarpaJXhXfRXKECw/ysuiR8jZRoDxvJJUGsyACSvFRUsmlz4ZK6QsNb1ad EprZEMA3vI47pqclS34MnKAot1McH945o/Hkf78yeFAVLqyBzdLLb8MBzVKvSJfdgp47 +TYcZxYG7rBN6t7lHuoJ54X75Ex/8c9puPgLfk0GAuFRZCB8PFfMQpSfgZTc/LCOjOJp Etl4Ctzl+m3IIrpALs2M2s5WghjKbcC9P6stMeqUj/h4vJp0z/A7l6aRyowD5fapBuPT kpeA== X-Gm-Message-State: AHQUAuZJCWrXfEJePpBEfMt37rDN9tmZoheYKxH4lg/mXBNGY7vSmKwz K/rFwo0ykjzEHVCWsW0N+yRbCQ== X-Google-Smtp-Source: AHgI3IYxiS+rGiapRCkzcSK+HOI3psbZAHYZpe7CQU9xEIZxBMd7B1DR4p+Dsn0MoLQtcD+1MEkOWQ== X-Received: by 2002:a05:600c:219a:: with SMTP id e26mr5676166wme.93.1550927288008; Sat, 23 Feb 2019 05:08:08 -0800 (PST) Received: from clegane.local (189.126.130.77.rev.sfr.net. [77.130.126.189]) by smtp.gmail.com with ESMTPSA id i12sm7830746wrq.21.2019.02.23.05.08.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 23 Feb 2019 05:08:07 -0800 (PST) From: Daniel Lezcano To: tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, Marek Szyprowski , Krzysztof Kozlowski , Kukjin Kim , linux-arm-kernel@lists.infradead.org (moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES), linux-samsung-soc@vger.kernel.org (moderated list:ARM/SAMSUNG EXYNOS ARM ARCHITECTURES) Subject: [PATCH 09/18] clocksource/drivers/exynos_mct: Fix error path in timer resources initialization Date: Sat, 23 Feb 2019 14:06:57 +0100 Message-Id: <20190223130707.16704-9-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190223130707.16704-1-daniel.lezcano@linaro.org> References: <20190223130707.16704-1-daniel.lezcano@linaro.org> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Marek Szyprowski While freeing interrupt handlers in error path, don't assume that all requested interrupts are per-processor interrupts and properly release standard interrupts too. Reported-by: Krzysztof Kozlowski Fixes: 56a94f13919c ("clocksource: exynos_mct: Avoid blocking calls in the cpu hotplug notifier") Signed-off-by: Marek Szyprowski Reviewed-by: Krzysztof Kozlowski Reviewed-by: Chanwoo Choi Signed-off-by: Daniel Lezcano --- drivers/clocksource/exynos_mct.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 647ea9fc752f..33e90c080877 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -562,7 +562,19 @@ static int __init exynos4_timer_resources(struct device_node *np, void __iomem * return 0; out_irq: - free_percpu_irq(mct_irqs[MCT_L0_IRQ], &percpu_mct_tick); + if (mct_int_type == MCT_INT_PPI) { + free_percpu_irq(mct_irqs[MCT_L0_IRQ], &percpu_mct_tick); + } else { + for_each_possible_cpu(cpu) { + struct mct_clock_event_device *pcpu_mevt = + per_cpu_ptr(&percpu_mct_tick, cpu); + + if (pcpu_mevt->evt.irq != -1) { + free_irq(pcpu_mevt->evt.irq, pcpu_mevt); + pcpu_mevt->evt.irq = -1; + } + } + } return err; }