ipv6: add net device refcount tracker to struct ip6_tnl
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index d831d243..110839a 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -403,7 +403,7 @@ static void ip6erspan_tunnel_uninit(struct net_device *dev)
ip6erspan_tunnel_unlink_md(ign, t);
ip6gre_tunnel_unlink(ign, t);
dst_cache_reset(&t->dst_cache);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
static void ip6gre_tunnel_uninit(struct net_device *dev)
@@ -416,7 +416,7 @@ static void ip6gre_tunnel_uninit(struct net_device *dev)
if (ign->fb_tunnel_dev == dev)
WRITE_ONCE(ign->fb_tunnel_dev, NULL);
dst_cache_reset(&t->dst_cache);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
@@ -1496,7 +1496,7 @@ static int ip6gre_tunnel_init_common(struct net_device *dev)
}
ip6gre_tnl_init_features(dev);
- dev_hold(dev);
+ dev_hold_track(dev, &tunnel->dev_tracker, GFP_KERNEL);
return 0;
cleanup_dst_cache_init:
@@ -1888,7 +1888,7 @@ static int ip6erspan_tap_init(struct net_device *dev)
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
ip6erspan_tnl_link_config(tunnel, 1);
- dev_hold(dev);
+ dev_hold_track(dev, &tunnel->dev_tracker, GFP_KERNEL);
return 0;
cleanup_dst_cache_init:
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 484aca4..fe786df 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -383,7 +383,7 @@ ip6_tnl_dev_uninit(struct net_device *dev)
else
ip6_tnl_unlink(ip6n, t);
dst_cache_reset(&t->dst_cache);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
/**
@@ -1883,7 +1883,7 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
dev->min_mtu = ETH_MIN_MTU;
dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len;
- dev_hold(dev);
+ dev_hold_track(dev, &t->dev_tracker, GFP_KERNEL);
return 0;
destroy_dst:
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 527e9ea..ed9b6d6 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -293,7 +293,7 @@ static void vti6_dev_uninit(struct net_device *dev)
RCU_INIT_POINTER(ip6n->tnls_wc[0], NULL);
else
vti6_tnl_unlink(ip6n, t);
- dev_put(dev);
+ dev_put_track(dev, &t->dev_tracker);
}
static int vti6_input_proto(struct sk_buff *skb, int nexthdr, __be32 spi,
@@ -934,7 +934,7 @@ static inline int vti6_dev_init_gen(struct net_device *dev)
dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
- dev_hold(dev);
+ dev_hold_track(dev, &t->dev_tracker, GFP_KERNEL);
return 0;
}