[PATCH 8/9] irq: irq-keystonr: fix race in installing chained IRQ handler
From: Russell King <hidden>
Date: 2015-06-16 22:06:56
Also in:
linux-gpio, linux-tegra
Subsystem:
irqchip drivers, the rest · Maintainers:
Thomas Gleixner, Linus Torvalds
Fix a race where a pending interrupt could be received and the handler called before the handler's data has been setup, by converting to irq_set_chained_handler_and_data(). Signed-off-by: Russell King <redacted> --- Depends on patch 1. drivers/irqchip/irq-keystone.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c
index 78e8b3ce5252..00b0193687ef 100644
--- a/drivers/irqchip/irq-keystone.c
+++ b/drivers/irqchip/irq-keystone.c@@ -184,8 +184,7 @@ static int keystone_irq_probe(struct platform_device *pdev) platform_set_drvdata(pdev, kirq); - irq_set_chained_handler(kirq->irq, keystone_irq_handler); - irq_set_handler_data(kirq->irq, kirq); + irq_set_chained_handler_and_data(kirq->irq, keystone_irq_handler, kirq); /* clear all source bits */ keystone_irq_writel(kirq, ~0x0);
--
2.1.0