diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/route.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 113cd2512ba7..79c1e74263a1 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2873,22 +2873,20 @@ void ip_rt_multicast_event(struct in_device *in_dev) } #ifdef CONFIG_SYSCTL -static int ipv4_sysctl_rtcache_flush(ctl_table *ctl, int write, +static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write, struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos) { if (write) { int flush_delay; + ctl_table ctl; struct net *net; - static DEFINE_MUTEX(flush_mutex); - mutex_lock(&flush_mutex); - ctl->data = &flush_delay; - proc_dointvec(ctl, write, filp, buffer, lenp, ppos); - ctl->data = NULL; - mutex_unlock(&flush_mutex); + memcpy(&ctl, __ctl, sizeof(ctl)); + ctl.data = &flush_delay; + proc_dointvec(&ctl, write, filp, buffer, lenp, ppos); - net = (struct net *)ctl->extra1; + net = (struct net *)__ctl->extra1; rt_cache_flush(net, flush_delay); return 0; } |