Fix unintended compiler constant folding

Pointed out by: dim@
freebsd · Sep 3, 2013 · b59e843 · b59e843
1 parent 67d6bf7
commit b59e843
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/sys/dev/virtio/virtqueue.c b/sys/dev/virtio/virtqueue.c
@@ -449,10 +449,10 @@ virtqueue_postpone_intr(struct virtqueue *vq, vq_postpone_t hint)
 
 	switch (hint) {
 	case VQ_POSTPONE_SHORT:
-		ndesc /= 4;
+		ndesc = ndesc / 4;
 		break;
 	case VQ_POSTPONE_LONG:
-		ndesc *= 3 / 4;
+		ndesc = (ndesc * 3) / 4;
 		break;
 	case VQ_POSTPONE_EMPTIED:
 		break;