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Commit 2b55d10c authored Dec 19, 2012 by Mark Rutland

arm: arch_timer: balance device_node refcounting



When we get the device_node for the arch timer, it's refcount is
automatically incremented in of_find_matching_node, but it is
never decremented.

This patch decrements the refcount on the node after we're finished
using it.

Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>

parent 9931faca

arch/arm/kernel/arch_timer.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -488,6 +488,8 @@ int __init arch_timer_of_register(void)
	for (i = PHYS_SECURE_PPI; i < MAX_TIMER_PPI; i++)		for (i = PHYS_SECURE_PPI; i < MAX_TIMER_PPI; i++)
	arch_timer_ppi[i] = irq_of_parse_and_map(np, i);		arch_timer_ppi[i] = irq_of_parse_and_map(np, i);

			of_node_put(np);

	/*		/*
	* If no interrupt provided for virtual timer, we'll have to		* If no interrupt provided for virtual timer, we'll have to
	* stick to the physical timer. It'd better be accessible...		* stick to the physical timer. It'd better be accessible...