Do not leak file handle on _open_osfhandle() failure (#2222)

diff --git a/compat/socket.cc b/compat/socket.cc
index 16bca103c4abf5026cd13cc5770f0bccfbb0b256..5fac7c22448bcb6d447b6b0839108746f9d3ac31 100644 (file)
--- a/compat/socket.cc
+++ b/compat/socket.cc
@@ -225,8 +225,11 @@ xsocket(int domain, int type, int protocol)
         return SOCKET_ERROR;
     }
     const auto rv = _open_osfhandle(result, 0);
-    if (rv == -1)
+    if (rv == -1) {
+        closesocket(result);
         errno = EBADF;
+        return SOCKET_ERROR;
+    }
     return rv;
 }