From: gregkh@linuxfoundation.org (Greg Kroah-Hartman) Date: Mon, 6 Nov 2017 10:12:49 +0100 Subject: [PATCH 4.13 36/36] irqchip/irq-mvebu-gicp: Add missing spin_lock init In-Reply-To: <20171106085047.005824077@linuxfoundation.org> References: <20171106085047.005824077@linuxfoundation.org> Message-ID: <20171106085048.658146684@linuxfoundation.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 4.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Antoine Tenart commit c9bb86338a6bb91e4d32db04feb6b8d423e04d06 upstream. A spin lock is used in the irq-mvebu-gicp driver, but it is never initialized. This patch adds the missing spin_lock_init() call in the driver's probe function. Fixes: a68a63cb4dfc ("irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP") Signed-off-by: Antoine Tenart Signed-off-by: Thomas Gleixner Reviewed-by: gregory.clement at free-electrons.com Acked-by: marc.zyngier at arm.com Cc: thomas.petazzoni at free-electrons.com Cc: andrew at lunn.ch Cc: jason at lakedaemon.net Cc: nadavh at marvell.com Cc: miquel.raynal at free-electrons.com Cc: linux-arm-kernel at lists.infradead.org Cc: sebastian.hesselbarth at gmail.com Link: https://lkml.kernel.org/r/20171025072326.21030-1-antoine.tenart at free-electrons.com Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-mvebu-gicp.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/irqchip/irq-mvebu-gicp.c +++ b/drivers/irqchip/irq-mvebu-gicp.c @@ -194,6 +194,7 @@ static int mvebu_gicp_probe(struct platf return -ENOMEM; gicp->dev = &pdev->dev; + spin_lock_init(&gicp->spi_lock); gicp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!gicp->res)