Index: kernel/genarch/src/drivers/via-cuda/cuda.c
===================================================================
--- kernel/genarch/src/drivers/via-cuda/cuda.c	(revision ba7371f9d732a62dea4383ffb0e509bccd9f4e4a)
+++ kernel/genarch/src/drivers/via-cuda/cuda.c	(revision 0dfa93b0cda81f93598fc30620d75a22c14f06d2)
@@ -239,9 +239,9 @@
 	cuda_instance_t *instance = irq->instance;
 	cuda_t *dev = instance->cuda;
-	uint8_t data, b;
-
+	uint8_t b;
+	
 	b = pio_read_8(&dev->b);
-	data = pio_read_8(&dev->sr);
-
+	pio_read_8(&dev->sr);
+	
 	if ((b & TREQ) == 0) {
 		instance->xstate = cx_receive;
@@ -251,7 +251,7 @@
 		cuda_send_start(instance);
 	}
-
-        memcpy(buf, instance->rcv_buf, instance->bidx);
-        *len = instance->bidx;
+	
+	memcpy(buf, instance->rcv_buf, instance->bidx);
+	*len = instance->bidx;
 	instance->bidx = 0;
 }