From patchwork Sun Nov 17 12:03:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 844059 Received: from smtp.smtpout.orange.fr (smtp-21.smtpout.orange.fr [80.12.242.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6FB4CA937; Sun, 17 Nov 2024 12:03:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.12.242.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731845039; cv=none; b=BIG4olsoJRRnVUwYE22ECiNIUR75fW5V5t4hP0WCN1379tu0D4seCSAHsIpRJWrXADt69xtKAFqrksBb9TbDlKF/7uFHM6mKxZoEPr2fdQvd6Wn7bY1wxx5Gy0SS7RPJf7Aft+Npckeh6bjX2rYlnKfU6SZwLBoMOm6ZN/tXASs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731845039; c=relaxed/simple; bh=U44pX1OyuYqTVUwfaSVxarNW1wSY/enpy9dFasbbbqo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=uljfwCjnOpaC8TR1crB95tp8d1/HSNIp/VXC6bCUUFmsbMUIJsLiT4byj0b4Ic9WnvgdEP1Wbk/7Syf8jPd+Hd3cG+wDblGWiE+8mVRqg5YA2hPGck5ss1K3L2qEQAHAW+yLwA36kWzO5kLXRIm+WYMx96p4ZrAQHCpoJRdZdis= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr; spf=pass smtp.mailfrom=wanadoo.fr; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b=RA6qYfnM; arc=none smtp.client-ip=80.12.242.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b="RA6qYfnM" Received: from localhost.localdomain ([90.11.132.44]) by smtp.orange.fr with ESMTPA id Ce0FtKvGCPqyaCe0GtWgzY; Sun, 17 Nov 2024 13:03:48 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1731845028; bh=F86dYHhTvuTsM0pNGR7yup3yM38zQaZLLpJ4MuMSPEk=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=RA6qYfnMtS4P7V9Zq0yBEygn8/KuBN1SNPfWjxCqVfhLZr2rNX044LTOu2zPQvQsV ZvajoS82pGIMDAyx0scSznzvcZWKoJ73xGGChp8RcKsmuW20UcjNTUo/3i0tR/k7Z5 eWkvkp2BvbuuL7WtJRdllnGUzVZae9YRrkAaPrwzXKIt33FNTpkDahi7Syo3sDlSmK dwORZ6R37qho4XntvmGu2/2nam4cLTXbdVngwZKJ9Y1gsiGSW5rSOp85mhVTz9Rplw WH8a65A3n3JA8zUBzgqHg9bK3e0LX73+iOB/XdAvowMObmzP4UelQd5M1rD4q/d6Tt BjLBfdpEjZfFw== X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sun, 17 Nov 2024 13:03:48 +0100 X-ME-IP: 90.11.132.44 From: Christophe JAILLET To: Krzysztof Kozlowski , Sylwester Nawrocki , Alim Akhtar , Linus Walleij , =?utf-8?q?Andr=C3=A9_Draszik?= Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org Subject: [PATCH] pinctrl: samsung: Fix irq handling if an error occurs in exynos_irq_demux_eint16_31() Date: Sun, 17 Nov 2024 13:03:32 +0100 Message-ID: X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 chained_irq_enter(() should be paired with a corresponding chained_irq_exit(). Here, if clk_enable() fails, a early return occurs and chained_irq_exit() is not called. Add a new label and a goto for fix it. Fixes: f9c744747973 ("pinctrl: samsung: support a bus clock") Signed-off-by: Christophe JAILLET --- Compile tested only. Review with care, irq handling is sometimes tricky... --- drivers/pinctrl/samsung/pinctrl-exynos.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index b79c211c0374..ac6dc22b37c9 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -636,7 +636,7 @@ static void exynos_irq_demux_eint16_31(struct irq_desc *desc) if (clk_enable(b->drvdata->pclk)) { dev_err(b->gpio_chip.parent, "unable to enable clock for pending IRQs\n"); - return; + goto out; } } @@ -652,6 +652,7 @@ static void exynos_irq_demux_eint16_31(struct irq_desc *desc) if (eintd->nr_banks) clk_disable(eintd->banks[0]->drvdata->pclk); +out: chained_irq_exit(chip, desc); }