Marcus Meissner : ws2_32: handle error return from get_sock_fd (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 54dc91547d79f0b76a11672f41648e81f331efcc
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=54dc91547d79f0b76a11672f41648e81f331efcc

Author: Marcus Meissner <marcus at jet.franken.de>
Date:   Sat Jan  4 17:49:40 2014 +0100

ws2_32: handle error return from get_sock_fd (Coverity).

---

 dlls/ws2_32/socket.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index b027d7a..a855285 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -1178,6 +1178,8 @@ static int set_ipx_packettype(int sock, int ptype)
     int fd = get_sock_fd( sock, 0, NULL ), ret = 0;
     TRACE("trying to set IPX_PTYPE: %d (fd: %d)\n", ptype, fd);
 
+    if (fd == -1) return SOCKET_ERROR;
+
     /* We try to set the ipx type on ipx socket level. */
 #ifdef SOL_IPX
     if(setsockopt(fd, SOL_IPX, IPX_TYPE, &ptype, sizeof(ptype)) == -1)