[UWP] Fix potential crash in SbSocketSetTcpWindowScaling (#2063)

b/315772525 Change-Id: I883f34429634caadf66ffa002de2ef60778ec2f1
youtube · Jan 23, 2024 · 6dd5f99 · 6dd5f99
1 parent 61c20a2
commit 6dd5f99
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/starboard/shared/win32/socket_set_tcp_window_scaling.cc b/starboard/shared/win32/socket_set_tcp_window_scaling.cc
@@ -30,6 +30,9 @@ bool SbSocketSetTcpWindowScaling(SbSocket socket, bool enable_window_scaling) {
   // later, receive window auto-tuning is enabled and the TCP window scale
   // factor is reduced to 2 from the default value of 8."
 
+  if (socket == kSbSocketInvalid)
+    return false;
+
   const ULONG target_os_version =
       enable_window_scaling ? NTDDI_VISTA : NTDDI_WS03;
   WSA_COMPATIBILITY_MODE compatibility_mode = {WsaBehaviorAutoTuning,