struct fib_nh_common {
struct net_device *nhc_dev;
+ netdevice_tracker nhc_dev_tracker;
int nhc_oif;
unsigned char nhc_scope;
u8 nhc_family;
int nh_saddr_genid;
#define fib_nh_family nh_common.nhc_family
#define fib_nh_dev nh_common.nhc_dev
+#define fib_nh_dev_tracker nh_common.nhc_dev_tracker
#define fib_nh_oif nh_common.nhc_oif
#define fib_nh_flags nh_common.nhc_flags
#define fib_nh_lws nh_common.nhc_lwtstate
void fib_nh_common_release(struct fib_nh_common *nhc)
{
- dev_put(nhc->nhc_dev);
+ dev_put_track(nhc->nhc_dev, &nhc->nhc_dev_tracker);
lwtstate_put(nhc->nhc_lwtstate);
rt_fibinfo_free_cpus(nhc->nhc_pcpu_rth_output);
rt_fibinfo_free(&nhc->nhc_rth_input);
err = ipv6_stub->fib6_nh_init(net, &fib6_nh, &cfg, GFP_KERNEL, extack);
if (!err) {
nh->fib_nh_dev = fib6_nh.fib_nh_dev;
- dev_hold(nh->fib_nh_dev);
+ dev_hold_track(nh->fib_nh_dev, &nh->fib_nh_dev_tracker, GFP_KERNEL);
nh->fib_nh_oif = nh->fib_nh_dev->ifindex;
nh->fib_nh_scope = RT_SCOPE_LINK;
if (!netif_carrier_ok(dev))
nh->fib_nh_flags |= RTNH_F_LINKDOWN;
nh->fib_nh_dev = dev;
- dev_hold(dev);
+ dev_hold_track(dev, &nh->fib_nh_dev_tracker, GFP_ATOMIC);
nh->fib_nh_scope = RT_SCOPE_LINK;
return 0;
}
"No egress device for nexthop gateway");
goto out;
}
- dev_hold(dev);
+ dev_hold_track(dev, &nh->fib_nh_dev_tracker, GFP_ATOMIC);
if (!netif_carrier_ok(dev))
nh->fib_nh_flags |= RTNH_F_LINKDOWN;
err = (dev->flags & IFF_UP) ? 0 : -ENETDOWN;
}
nh->fib_nh_dev = in_dev->dev;
- dev_hold(nh->fib_nh_dev);
+ dev_hold_track(nh->fib_nh_dev, &nh->fib_nh_dev_tracker, GFP_ATOMIC);
nh->fib_nh_scope = RT_SCOPE_HOST;
if (!netif_carrier_ok(nh->fib_nh_dev))
nh->fib_nh_flags |= RTNH_F_LINKDOWN;
err = -ENODEV;
if (!nh->fib_nh_dev)
goto failure;
+ netdev_tracker_alloc(nh->fib_nh_dev, &nh->fib_nh_dev_tracker,
+ GFP_KERNEL);
} else {
int linkdown = 0;