flush_cpu_workqueue: don't flush an empty ->worklist

[powerpc.git] / kernel / irq / chip.c

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 0133f4f..615ce97 100644 (file)
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/irq.h>
+#include <linux/msi.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
@@ -185,6 +186,8 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
        desc = irq_desc + irq;
        spin_lock_irqsave(&desc->lock, flags);
        desc->msi_desc = entry;
+       if (entry)
+               entry->irq = irq;
        spin_unlock_irqrestore(&desc->lock, flags);
        return 0;
 }