1 files changed, 1 insertions, 1 deletions

diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c
index ca553b0429ce..81e428943d73 100644
--- a/arch/ia64/sn/kernel/msi_sn.c
+++ b/arch/ia64/sn/kernel/msi_sn.c
@@ -205,7 +205,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq,
         msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff);
 
         write_msi_msg(irq, &msg);
-        irq_desc[irq].affinity = *cpu_mask;
+        cpumask_copy(irq_desc[irq].affinity, cpu_mask);
 }
 #endif /* CONFIG_SMP */