diff --git a/windows/winhsock.c b/windows/winhsock.c
index c8cb46f6..799fd28d 100644
--- a/windows/winhsock.c
+++ b/windows/winhsock.c
@@ -54,10 +54,11 @@ static int handle_gotdata(struct handle *h, void *data, int len)
     Handle_Socket ps = (Handle_Socket) handle_get_privdata(h);
 
     if (len < 0) {
-	return plug_closing(ps->plug, "Read error from handle",
-			    0, 0);
+	plug_closing(ps->plug, "Read error from handle", 0, 0);
+	return 0;
     } else if (len == 0) {
-	return plug_closing(ps->plug, NULL, 0, 0);
+	plug_closing(ps->plug, NULL, 0, 0);
+	return 0;
     } else {
         assert(ps->frozen != FROZEN && ps->frozen != THAWING);
         if (ps->frozen == FREEZING) {
@@ -76,7 +77,8 @@ static int handle_gotdata(struct handle *h, void *data, int len)
              */
             return INT_MAX;
         } else {
-            return plug_receive(ps->plug, 0, data, len);
+            plug_receive(ps->plug, 0, data, len);
+	    return 0;
         }
     }
 }
@@ -168,7 +170,7 @@ static void handle_socket_unfreeze(void *psv)
 {
     Handle_Socket ps = (Handle_Socket) psv;
     void *data;
-    int len, new_backlog;
+    int len;
 
     /*
      * If we've been put into a state other than THAWING since the
@@ -188,7 +190,7 @@ static void handle_socket_unfreeze(void *psv)
      * have the effect of trying to close this socket.
      */
     ps->defer_close = TRUE;
-    new_backlog = plug_receive(ps->plug, 0, data, len);
+    plug_receive(ps->plug, 0, data, len);
     bufchain_consume(&ps->inputdata, len);
     ps->defer_close = FALSE;
     if (ps->deferred_close) {
@@ -207,7 +209,7 @@ static void handle_socket_unfreeze(void *psv)
          * Otherwise, we've successfully thawed!
          */
         ps->frozen = UNFROZEN;
-        handle_unthrottle(ps->recv_h, new_backlog);
+        handle_unthrottle(ps->recv_h, 0);
     }
 }