Paul Gofman : ws2_32: Treat optlen as unsigned in setsockopt() for SO_RCVTIMEO.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4fa433974880c8fd528c48294df84b41a9edab82
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=4fa433974880c8fd528c48294df84b41a9edab82

Author: Paul Gofman <pgofman at codeweavers.com>
Date:   Sat Mar  5 22:04:04 2022 +0300

ws2_32: Treat optlen as unsigned in setsockopt() for SO_RCVTIMEO.

Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ws2_32/socket.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 30dc007167a..2e99f415c72 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -2827,6 +2827,7 @@ int WINAPI setsockopt( SOCKET s, int level, int optname, const char *optval, int
             return server_setsockopt( s, IOCTL_AFD_WINE_SET_SO_RCVBUF, optval, optlen );
 
         case SO_RCVTIMEO:
+            if (optlen < 0) optlen = 4;
             return server_setsockopt( s, IOCTL_AFD_WINE_SET_SO_RCVTIMEO, optval, optlen );
 
         case SO_REUSEADDR: