From: Vineet Gupta <vgupta@synopsys.com>
Date: Thu, 2 Jul 2015 08:32:54 +0000 (+0530)
Subject: ARCv2: intc: IDU: Fix potential race in installing a chained IRQ handler
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6b12ec177c410ef984d2b97717df77c9269eaeac;p=linux-beck.git

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 dfeea22048af..6fb0a2fd1d28 100644
--- 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);