diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index ced1f2c0cb6..1389ad904bc 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -222,16 +222,11 @@ get_entry(void *base, unsigned int offset) /* All zeroes == unconditional rule. */ /* Mildly perf critical (only if packet tracing is on) */ -static inline int -unconditional(const struct ip6t_ip6 *ipv6) +static inline bool unconditional(const struct ip6t_ip6 *ipv6) { - unsigned int i; - - for (i = 0; i < sizeof(*ipv6); i++) - if (((char *)ipv6)[i]) - break; + static const struct ip6t_ip6 uncond; - return (i == sizeof(*ipv6)); + return memcmp(ipv6, &uncond, sizeof(uncond)) == 0; } #if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \ |