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ws2_32: Return WSAEFAULT from setsockopt() for IP_MULTICAST_LOOP with zero optlen. 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2022-03-08 12:22:44 +03:00 committed by Alexandre Julliard
parent da745fee16
commit c593b2f48e
1 changed files with 5 additions and 0 deletions
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5
dlls/ws2_32/socket.c
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@ -2981,6 +2981,11 @@ int WINAPI setsockopt( SOCKET s, int level, int optname, const char *optval, int
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IP_MULTICAST_IF, optval, optlen );
case IP_MULTICAST_LOOP:
if (!optlen)
{
SetLastError( WSAEFAULT );
return -1;
}
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IP_MULTICAST_LOOP, optval, optlen );
case IP_MULTICAST_TTL: