[SPARC64]: Fix goal_cpu tracking in retarget_one_irq().

We would never advance the goal_cpu counter like we
should, so all IRQs would go to a single processor.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index a38cb5036df0..ab2f36863fa4 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -1007,10 +1007,10 @@ static int retarget_one_irq(struct irqaction *p, int goal_cpu)
         }
         upa_writel(tid | IMAP_VALID, imap);
 
-        while (!cpu_online(goal_cpu)) {
+        do {
                 if (++goal_cpu >= NR_CPUS)
                         goal_cpu = 0;
-        }
+        } while (!cpu_online(goal_cpu));
 
         return goal_cpu;
 }