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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;