diff options
| author | Eric Dumazet <edumazet@google.com> | 2021-12-07 04:30:38 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-08 07:45:00 +0300 |
| commit | e7c8ab8419d7a06bad7cb0b0289b5426029ac221 (patch) | |
| tree | fd4fc054aad5a84e58ea4ea45619402c25a31e46 /net/openvswitch | |
| parent | e4b8954074f6d0db01c8c97d338a67f9389c042f (diff) | |
| download | linux-e7c8ab8419d7a06bad7cb0b0289b5426029ac221.tar.xz | |
openvswitch: add net device refcount tracker to struct vport
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/openvswitch')
| -rw-r--r-- | net/openvswitch/vport-netdev.c | 8 | ||||
| -rw-r--r-- | net/openvswitch/vport.h | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c index c1ad6699b1f8..b498dac4e1e0 100644 --- a/net/openvswitch/vport-netdev.c +++ b/net/openvswitch/vport-netdev.c @@ -82,7 +82,7 @@ struct vport *ovs_netdev_link(struct vport *vport, const char *name) err = -ENODEV; goto error_free_vport; } - + netdev_tracker_alloc(vport->dev, &vport->dev_tracker, GFP_KERNEL); if (vport->dev->flags & IFF_LOOPBACK || (vport->dev->type != ARPHRD_ETHER && vport->dev->type != ARPHRD_NONE) || @@ -115,7 +115,7 @@ error_master_upper_dev_unlink: error_unlock: rtnl_unlock(); error_put: - dev_put(vport->dev); + dev_put_track(vport->dev, &vport->dev_tracker); error_free_vport: ovs_vport_free(vport); return ERR_PTR(err); @@ -137,7 +137,7 @@ static void vport_netdev_free(struct rcu_head *rcu) { struct vport *vport = container_of(rcu, struct vport, rcu); - dev_put(vport->dev); + dev_put_track(vport->dev, &vport->dev_tracker); ovs_vport_free(vport); } @@ -173,7 +173,7 @@ void ovs_netdev_tunnel_destroy(struct vport *vport) */ if (vport->dev->reg_state == NETREG_REGISTERED) rtnl_delete_link(vport->dev); - dev_put(vport->dev); + dev_put_track(vport->dev, &vport->dev_tracker); vport->dev = NULL; rtnl_unlock(); diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h index 8a930ca6d6b1..9de5030d9801 100644 --- a/net/openvswitch/vport.h +++ b/net/openvswitch/vport.h @@ -58,6 +58,7 @@ struct vport_portids { /** * struct vport - one port within a datapath * @dev: Pointer to net_device. + * @dev_tracker: refcount tracker for @dev reference * @dp: Datapath to which this port belongs. * @upcall_portids: RCU protected 'struct vport_portids'. * @port_no: Index into @dp's @ports array. @@ -69,6 +70,7 @@ struct vport_portids { */ struct vport { struct net_device *dev; + netdevice_tracker dev_tracker; struct datapath *dp; struct vport_portids __rcu *upcall_portids; u16 port_no; |