[IPV6]: Accept -1 for IPV6_TCLASS

[safe/jmp/linux-2.6] / net / ipv6 / datagram.c

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 99a6eb2..3b55b4c 100644 (file)
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -696,7 +696,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
                        }
 
                        tc = *(int *)CMSG_DATA(cmsg);
-                       if (tc < 0 || tc > 0xff)
+                       if (tc < -1 || tc > 0xff)
                                goto exit_f;
 
                        err = 0;