1 files changed, 3 insertions, 2 deletions

diff --git a/arch/mips/mti-malta/malta-smtc.c b/arch/mips/mti-malta/malta-smtc.c
index aabd7274507b..5ba31888fefb 100644
--- a/arch/mips/mti-malta/malta-smtc.c
+++ b/arch/mips/mti-malta/malta-smtc.c
@@ -116,7 +116,7 @@ struct plat_smp_ops msmtc_smp_ops = {
 
 void plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
 {
-        cpumask_t tmask = *affinity;
+        cpumask_t tmask;
         int cpu = 0;
         void smtc_set_irq_affinity(unsigned int irq, cpumask_t aff);
 
@@ -139,11 +139,12 @@ void plat_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
          * be made to forward to an offline "CPU".
          */
 
+        cpumask_copy(&tmask, affinity);
         for_each_cpu(cpu, affinity) {
                 if ((cpu_data[cpu].vpe_id != 0) || !cpu_online(cpu))
                         cpu_clear(cpu, tmask);
         }
-        irq_desc[irq].affinity = tmask;
+        cpumask_copy(irq_desc[irq].affinity, &tmask);
 
         if (cpus_empty(tmask))
                 /*