From nobody Thu Nov 28 16:37:20 2024 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2183018E755; Mon, 30 Sep 2024 14:55:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727708162; cv=none; b=PKvnYq4LOzNcDSYuqMXfgC2uALAhBFjqILLui3h90xvnbtSV19EMK1QUcR3Od3MP5mBZAk8kMqtaAY3dhMSzaSEgdeeOaSHJz+XDM2t7ruEMQgPCGUgqYWzvMAEjXRcpiY3fR9z5OnX8yOvNQwfK2KnHabzo93xlQION54nv+Ws= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727708162; c=relaxed/simple; bh=gJ6PsIOZiM2cIBuDM/fsMvk8lDnGPaNbcWXuXHUeb98=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=AVhda6TtsKZahvFk4s3tIS622ASz6zMiR4sU0ODvL1GoyHoZlhe6k+bBs7JY1lCybV9gPlXHCDEUVZypM9NiQKr5X4atWOkXbvqL4JSvb076yLIL1e0fyVSAgiunqxP4q4IDeRH55tbwM5ZWfwNI2fMKt5n9luLqKGccZVE5E1M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com; spf=pass smtp.mailfrom=renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=renesas.com X-IronPort-AV: E=Sophos;i="6.11,165,1725289200"; d="scan'208";a="220366721" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 30 Sep 2024 23:55:58 +0900 Received: from mulinux.home (unknown [10.226.92.226]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 12DB540071E5; Mon, 30 Sep 2024 23:55:43 +0900 (JST) From: Fabrizio Castro To: Thomas Gleixner , Geert Uytterhoeven Cc: Fabrizio Castro , Lad Prabhakar , Marc Zyngier , linux-kernel@vger.kernel.org, Chris Paterson , Biju Das , linux-renesas-soc@vger.kernel.org Subject: [PATCH] irqchip/renesas-rzg2l: Fix missing put_device Date: Mon, 30 Sep 2024 15:55:39 +0100 Message-Id: <20240930145539.357573-1-fabrizio.castro.jz@renesas.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" rzg2l_irqc_common_init calls of_find_device_by_node, but the corresponding put_device call is missing. Make sure we call put_device both when failing and when succeeding. Fixes: 3fed09559cd8 ("irqchip: Add RZ/G2L IA55 Interrupt Controller driver") Signed-off-by: Fabrizio Castro --- drivers/irqchip/irq-renesas-rzg2l.c | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-rene= sas-rzg2l.c index 693ff285ca2c..2bc9d3befa61 100644 --- a/drivers/irqchip/irq-renesas-rzg2l.c +++ b/drivers/irqchip/irq-renesas-rzg2l.c @@ -542,33 +542,40 @@ static int rzg2l_irqc_common_init(struct device_node = *node, struct device_node * parent_domain =3D irq_find_host(parent); if (!parent_domain) { dev_err(&pdev->dev, "cannot find parent domain\n"); - return -ENODEV; + ret =3D -ENODEV; + goto put_dev; } =20 rzg2l_irqc_data =3D devm_kzalloc(&pdev->dev, sizeof(*rzg2l_irqc_data), GF= P_KERNEL); - if (!rzg2l_irqc_data) - return -ENOMEM; + if (!rzg2l_irqc_data) { + ret =3D -ENOMEM; + goto put_dev; + } =20 rzg2l_irqc_data->irqchip =3D irq_chip; =20 rzg2l_irqc_data->base =3D devm_of_iomap(&pdev->dev, pdev->dev.of_node, 0,= NULL); - if (IS_ERR(rzg2l_irqc_data->base)) - return PTR_ERR(rzg2l_irqc_data->base); + if (IS_ERR(rzg2l_irqc_data->base)) { + ret =3D PTR_ERR(rzg2l_irqc_data->base); + goto put_dev; + } =20 ret =3D rzg2l_irqc_parse_interrupts(rzg2l_irqc_data, node); if (ret) { dev_err(&pdev->dev, "cannot parse interrupts: %d\n", ret); - return ret; + goto put_dev; } =20 resetn =3D devm_reset_control_get_exclusive(&pdev->dev, NULL); - if (IS_ERR(resetn)) - return PTR_ERR(resetn); + if (IS_ERR(resetn)) { + ret =3D PTR_ERR(resetn); + goto put_dev; + } =20 ret =3D reset_control_deassert(resetn); if (ret) { dev_err(&pdev->dev, "failed to deassert resetn pin, %d\n", ret); - return ret; + goto put_dev; } =20 pm_runtime_enable(&pdev->dev); @@ -591,6 +598,7 @@ static int rzg2l_irqc_common_init(struct device_node *n= ode, struct device_node * =20 register_syscore_ops(&rzg2l_irqc_syscore_ops); =20 + put_device(&pdev->dev); return 0; =20 pm_put: @@ -598,6 +606,9 @@ static int rzg2l_irqc_common_init(struct device_node *n= ode, struct device_node * pm_disable: pm_runtime_disable(&pdev->dev); reset_control_assert(resetn); +put_dev: + put_device(&pdev->dev); + return ret; } =20 --=20 2.34.1