ARCv2: intc: IDU: Fix potential race in installing a chained IRQ handler

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index dfeea22..6fb0a2f 100644 (file)
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -347,8 +347,7 @@ idu_of_init(struct device_node *intc, struct device_node *parent)
                if (!i)
                        idu_first_irq = irq;
 
-               irq_set_handler_data(irq, domain);
-               irq_set_chained_handler(irq, idu_cascade_isr);
+               irq_set_chained_handler_and_data(irq, idu_cascade_isr, domain);
        }
 
        __mcip_cmd(CMD_IDU_ENABLE, 0);