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| author | Eric Dumazet <edumazet@google.com> | 2021-12-04 20:22:11 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-06 16:05:11 -0800 |
| commit | 8c727003c4d0c776bd286d65c347591734d1d841 (patch) | |
| tree | 0db47a777f9402aaa4ef918da725c39a143c0725 | |
| parent | f77159a348f2d6078af7fe4933a60229d7c7aae2 (diff) | |
| download | linux-8c727003c4d0c776bd286d65c347591734d1d841.tar.gz linux-8c727003c4d0c776bd286d65c347591734d1d841.tar.bz2 linux-8c727003c4d0c776bd286d65c347591734d1d841.zip | |
ipv6: add net device refcount tracker to struct inet6_dev
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/net/if_inet6.h | 1 | ||||
| -rw-r--r-- | net/ipv6/addrconf.c | 4 | ||||
| -rw-r--r-- | net/ipv6/addrconf_core.c | 2 |
3 files changed, 4 insertions, 3 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 653e7d0f65cb..f026cf08a8e8 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -160,6 +160,7 @@ struct ipv6_devstat { struct inet6_dev { struct net_device *dev; + netdevice_tracker dev_tracker; struct list_head addr_list; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 3445f8017430..3eee17790a82 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -405,13 +405,13 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) if (ndev->cnf.forwarding) dev_disable_lro(dev); /* We refer to the device */ - dev_hold(dev); + dev_hold_track(dev, &ndev->dev_tracker, GFP_KERNEL); if (snmp6_alloc_dev(ndev) < 0) { netdev_dbg(dev, "%s: cannot allocate memory for statistics\n", __func__); neigh_parms_release(&nd_tbl, ndev->nd_parms); - dev_put(dev); + dev_put_track(dev, &ndev->dev_tracker); kfree(ndev); return ERR_PTR(err); } diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c index 1d4054bb345b..881d1477d24a 100644 --- a/net/ipv6/addrconf_core.c +++ b/net/ipv6/addrconf_core.c @@ -263,7 +263,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev) #ifdef NET_REFCNT_DEBUG pr_debug("%s: %s\n", __func__, dev ? dev->name : "NIL"); #endif - dev_put(dev); + dev_put_track(dev, &idev->dev_tracker); if (!idev->dead) { pr_warn("Freeing alive inet6 device %p\n", idev); return; |