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 3D1E7882B for ; Fri, 10 Mar 2023 15:12:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96204C433EF; Fri, 10 Mar 2023 15:12:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678461134; bh=9NJBLsx4qiq15RUbJYGha3cnPvyqWDhaEgc5KV9Rns0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JnrnZHSDjQFF7q/CLXUC0Cr3HFc9NeWwhnV/uj5E6ytLARu2MqB0gm6ugYfPpx94r gS597bYSRPJNqX6eGCbFxm40gl5cRKcbhr7ep4x3eDKIRBDwFbecuZ3EgmHqKwojih LdkXFEPmv+jOvS8Iqfwhm88gBajnpgmBH4MRFWTY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, ruanjinjie , Guenter Roeck , Wim Van Sebroeck , Sasha Levin Subject: [PATCH 5.15 037/136] watchdog: at91sam9_wdt: use devm_request_irq to avoid missing free_irq() in error path Date: Fri, 10 Mar 2023 14:42:39 +0100 Message-Id: <20230310133708.189944829@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133706.811226272@linuxfoundation.org> References: <20230310133706.811226272@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: ruanjinjie [ Upstream commit 07bec0e09c1afbab4c5674fd2341f4f52d594f30 ] free_irq() is missing in case of error in at91_wdt_init(), use devm_request_irq to fix that. Fixes: 5161b31dc39a ("watchdog: at91sam9_wdt: better watchdog support") Signed-off-by: ruanjinjie Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20221116094950.3141943-1-ruanjinjie@huawei.com [groeck: Adjust multi-line alignment] Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck Signed-off-by: Sasha Levin --- drivers/watchdog/at91sam9_wdt.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c index 292b5a1ca8318..fed7be2464420 100644 --- a/drivers/watchdog/at91sam9_wdt.c +++ b/drivers/watchdog/at91sam9_wdt.c @@ -206,10 +206,9 @@ static int at91_wdt_init(struct platform_device *pdev, struct at91wdt *wdt) "min heartbeat and max heartbeat might be too close for the system to handle it correctly\n"); if ((tmp & AT91_WDT_WDFIEN) && wdt->irq) { - err = request_irq(wdt->irq, wdt_interrupt, - IRQF_SHARED | IRQF_IRQPOLL | - IRQF_NO_SUSPEND, - pdev->name, wdt); + err = devm_request_irq(dev, wdt->irq, wdt_interrupt, + IRQF_SHARED | IRQF_IRQPOLL | IRQF_NO_SUSPEND, + pdev->name, wdt); if (err) return err; } -- 2.39.2