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Subject[PATCH] net: ipv4: avoid unused variable warning for sysctl
Date
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>
---
net/ipv4/route.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 5c85db355d1f..8d1f5c3a1745 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -132,8 +132,6 @@ 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.
*/
@@ -2805,6 +2803,7 @@ 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,
--
2.9.0
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