Zebediah Figura : ws2_32: Always return WSAEINVAL if AF_UNSPEC is used with a zero protocol.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2a573c6f4899e7ccdb0492ba5029c7f8506590e4
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=2a573c6f4899e7ccdb0492ba5029c7f8506590e4

Author: Zebediah Figura <z.figura12 at gmail.com>
Date:   Thu Sep 24 22:21:04 2020 -0500

ws2_32: Always return WSAEINVAL if AF_UNSPEC is used with a zero protocol.

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ws2_32/socket.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 1ac1f77d6e..5089029f4b 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -7648,7 +7648,13 @@ SOCKET WINAPI WSASocketW(int af, int type, int protocol,
             protocol = lpProtocolInfo->iProtocol;
     }
 
-    if (!type && (af || protocol))
+    if (!af && !protocol)
+    {
+        WSASetLastError(WSAEINVAL);
+        return INVALID_SOCKET;
+    }
+
+    if (!type)
     {
         int autoproto = protocol;
         WSAPROTOCOL_INFOW infow;