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sit: add net device refcount tracking to ip_tunnel

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Note that other ip_tunnel users do not seem to hold a reference
on tunnel->dev. Probably needs some investigations.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2021-12-06 16:05:11 -08:00
committed by Jakub Kicinski
parent fb67510ba9
commit c0fd407a06
2 changed files with 5 additions and 2 deletions
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include/net/ip_tunnels.h
+3
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@@ -104,7 +104,10 @@ struct metadata_dst;
struct ip_tunnel {
struct ip_tunnel __rcu *next;
struct hlist_node hash_node;
struct net_device *dev;
netdevice_tracker dev_tracker;
struct net *net; /* netns for packet i/o */
unsigned long err_time; /* Time when the last ICMP error