Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / irqchip / irq-mxs.c

diff --git a/kernel/drivers/irqchip/irq-mxs.c b/kernel/drivers/irqchip/irq-mxs.c
index efe5084..1730470 100644 (file)
--- a/kernel/drivers/irqchip/irq-mxs.c
+++ b/kernel/drivers/irqchip/irq-mxs.c
@@ -183,7 +183,7 @@ static void __iomem * __init icoll_init_iobase(struct device_node *np)
        void __iomem *icoll_base;
 
        icoll_base = of_io_request_and_map(np, 0, np->name);
-       if (!icoll_base)
+       if (IS_ERR(icoll_base))
                panic("%s: unable to map resource", np->full_name);
        return icoll_base;
 }