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-rw-r--r--sunrpc/svc_unix.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sunrpc/svc_unix.c b/sunrpc/svc_unix.c
index a8ed534..c42d30e 100644
--- a/sunrpc/svc_unix.c
+++ b/sunrpc/svc_unix.c
@@ -307,7 +307,10 @@ __msgread (int sock, void *buf, size_t cnt)
msg.msg_controllen = sizeof (struct cmessage);
msg.msg_flags = 0;
- setsockopt (sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof (on));
+#ifdef SO_PASSCRED
+ if (setsockopt (sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof (on)))
+ return -1;
+#endif
return recvmsg (sock, &msg, 0);
}