net: prevent setting ttl=0 via IP_TTL

[pandora-kernel.git] / net / ipv4 / ip_sockglue.c

diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 0106d25..3b36002 100644 (file)
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -600,7 +600,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
        case IP_TTL:
                if (optlen < 1)
                        goto e_inval;
-               if (val != -1 && (val < 0 || val > 255))
+               if (val != -1 && (val < 1 || val > 255))
                        goto e_inval;
                inet->uc_ttl = val;
                break;