1 files changed, 6 insertions, 2 deletions

diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 603d5cb72891..6399883ae742 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -143,14 +143,18 @@ irqreturn_t oss_nubus_irq(int irq, void *dev_id)
 #endif
         /* There are only six slots on the OSS, not seven */
 
-        for (i = 0, irq_bit = 1 ; i < 6 ; i++, irq_bit <<= 1) {
+        i = 6;
+        irq_bit = 0x40;
+        do {
+                --i;
+                irq_bit >>= 1;
                 if (events & irq_bit) {
                         oss->irq_level[i] = OSS_IRQLEV_DISABLED;
                         oss->irq_pending &= ~irq_bit;
                         m68k_handle_int(NUBUS_SOURCE_BASE + i);
                         oss->irq_level[i] = OSS_IRQLEV_NUBUS;
                 }
-        }
+        } while(events & (irq_bit - 1));
         return IRQ_HANDLED;
 }