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Commit 7b3866b8 authored by Ruchi Kandoi's avatar Ruchi Kandoi Committed by Amit Pundir
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Power: Add guard condition for maximum wakeup reasons 



Ensure the array for the wakeup reason IRQs does not overflow.

Change-Id: Iddc57a3aeb1888f39d4e7b004164611803a4d37c
Signed-off-by: default avatarRuchi Kandoi <kandoiruchi@google.com>
(cherry picked from commit b5ea40cdfcf38296535f931a7e5e7bf47b6fad7f)
parent fae8e211

kernel/power/wakeup_reason.c

+7 −0
Original line number Diff line number Diff line
@@ -79,6 +79,13 @@ void log_wakeup_reason(int irq) 
		printk(KERN_INFO "Resume caused by IRQ %d\n", irq);



	spin_lock(&resume_reason_lock);

	if (irq_count == MAX_WAKEUP_REASON_IRQS) {

		spin_unlock(&resume_reason_lock);

		printk(KERN_WARNING "Resume caused by more than %d IRQs\n",

				MAX_WAKEUP_REASON_IRQS);

		return;

	}



	irq_list[irq_count++] = irq;

	spin_unlock(&resume_reason_lock);

}