1 files changed, 10 insertions, 8 deletions

diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index ac2c822928c7..29e70e16ede8 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -112,7 +112,7 @@ void cpu_end_irq(unsigned int irq)
 }
 
 #ifdef CONFIG_SMP
-int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
+int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
 {
 	int cpu_dest;
 
@@ -120,23 +120,25 @@ int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
 	if (CHECK_IRQ_PER_CPU(irq)) {
 		/* Bad linux design decision.  The mask has already
 		 * been set; we must reset it */
-		irq_desc[irq].affinity = CPU_MASK_ALL;
+		cpumask_setall(&irq_desc[irq].affinity);
 		return -EINVAL;
 	}
 
 	/* whatever mask they set, we just allow one CPU */
 	cpu_dest = first_cpu(*dest);
-	*dest = cpumask_of_cpu(cpu_dest);
 
-	return 0;
+	return cpu_dest;
 }
 
 static void cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
 {
-	if (cpu_check_affinity(irq, dest))
+	int cpu_dest;
+
+	cpu_dest = cpu_check_affinity(irq, dest);
+	if (cpu_dest < 0)
 		return;
 
-	irq_desc[irq].affinity = *dest;
+	cpumask_copy(&irq_desc[irq].affinity, &cpumask_of_cpu(cpu_dest));
 }
 #endif
 
@@ -295,7 +297,7 @@ int txn_alloc_irq(unsigned int bits_wide)
 unsigned long txn_affinity_addr(unsigned int irq, int cpu)
 {
 #ifdef CONFIG_SMP
-	irq_desc[irq].affinity = cpumask_of_cpu(cpu);
+	cpumask_copy(&irq_desc[irq].affinity, cpumask_of(cpu));
 #endif
 
 	return per_cpu(cpu_data, cpu).txn_addr;
@@ -352,7 +354,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
 	irq = eirr_to_irq(eirr_val);
 
 #ifdef CONFIG_SMP
-	dest = irq_desc[irq].affinity;
+	cpumask_copy(&dest, &irq_desc[irq].affinity);
 	if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) &&
 	    !cpu_isset(smp_processor_id(), dest)) {
 		int cpu = first_cpu(dest);