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net: ipv4: avoid unused variable warning for sysctl

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The newly introudced ip_min_valid_pmtu variable is only used when
CONFIG_SYSCTL is set:

net/ipv4/route.c:135:12: error: 'ip_min_valid_pmtu' defined but not used [-Werror=unused-variable]

This moves it to the other variables like it, to avoid the harmless
warning.

Fixes: c7272c2f1229 ("net: ipv4: don't allow setting net.ipv4.route.min_pmtu below 68")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2018-02-28 14:32:48 +01:00 committed by David S. Miller
parent b739012bdc
commit 773daa3caf
1 changed files with 1 additions and 2 deletions
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3
net/ipv4/route.c
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@ -133,8 +133,6 @@ static int ip_rt_min_advmss __read_mostly = 256;
static int ip_rt_gc_timeout __read_mostly = RT_GC_TIMEOUT;
static int ip_min_valid_pmtu __read_mostly = IPV4_MIN_MTU;
/*
* Interface to generic destination cache.
*/
@ -2821,6 +2819,7 @@ void ip_rt_multicast_event(struct in_device *in_dev)
static int ip_rt_gc_interval __read_mostly = 60 * HZ;
static int ip_rt_gc_min_interval __read_mostly = HZ / 2;
static int ip_rt_gc_elasticity __read_mostly = 8;
static int ip_min_valid_pmtu __read_mostly = IPV4_MIN_MTU;
static int ipv4_sysctl_rtcache_flush(struct ctl_table *__ctl, int write,
void __user *buffer,