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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d84742f003a9..5e9111da449d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3287,7 +3287,8 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
case NETDEV_PRE_TYPE_CHANGE:
case NETDEV_POST_TYPE_CHANGE:
- addrconf_type_change(dev, event);
+ if (idev)
+ addrconf_type_change(dev, event);
break;
}
@@ -3642,7 +3643,7 @@ static void addrconf_dad_work(struct work_struct *w)
/* send a neighbour solicitation for our addr */
addrconf_addr_solict_mult(&ifp->addr, &mcaddr);
- ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, NULL);
+ ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any);
out:
in6_ifa_put(ifp);
rtnl_unlock();
@@ -5200,6 +5201,20 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
}
static
+int addrconf_sysctl_hop_limit(struct ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct ctl_table lctl;
+ int min_hl = 1, max_hl = 255;
+
+ lctl = *ctl;
+ lctl.extra1 = &min_hl;
+ lctl.extra2 = &max_hl;
+
+ return proc_dointvec_minmax(&lctl, write, buffer, lenp, ppos);
+}
+
+static
int addrconf_sysctl_mtu(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
@@ -5454,7 +5469,7 @@ static struct addrconf_sysctl_table
.data = &ipv6_devconf.hop_limit,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = addrconf_sysctl_hop_limit,
},
{
.procname = "mtu",