1 files changed, 11 insertions, 3 deletions
diff --git a/wcfxo.c b/wcfxo.c
index 017ec5a..c820248 100755
--- a/wcfxo.c
+++ b/wcfxo.c
@@ -247,16 +247,24 @@ static void wcfxo_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	ints = inb(wc->ioaddr + WC_INTSTAT);
 	outb(ints, wc->ioaddr + WC_INTSTAT);
 
+
+	if (!ints)
+		return;
+
 	if (ints & 0x0f) {
 		wcfxo_transmitprep(wc, ints);
 		wcfxo_receiveprep(wc, ints);
 	}
 	
-	if (ints & 0x10) 
+	if (ints & 0x10) {
 		printk("PCI Master abort\n");
-
-	if (ints & 0x20)
+		return;
+	}
+	
+	if (ints & 0x20) {
 		printk("PCI Target abort\n");
+		return;
+	}
 
 	if (1 /* !(wc->report % 0xf) */) {
 		/* Check RING from register and debounce for 8ms */