[PATCH net-next 03/13] net: bridge: add net device refcount tracker
flat view
STALE1744d
From: Eric Dumazet <hidden>
Date: 2021-12-07 01:33:36
Subsystem:
ethernet bridge, networking [general], the rest · Maintainers:
Nikolay Aleksandrov, Ido Schimmel, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Eric Dumazet <redacted> Signed-off-by: Eric Dumazet <redacted> --- net/bridge/br_if.c | 6 +++--- net/bridge/br_private.h | 1 + 2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 3915832a03c25e22ae2215ee93dceb0f8e5b5cc4..a52ad81596b72dde8e9a0affccd38c91ab59315d 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c@@ -274,7 +274,7 @@ static void destroy_nbp(struct net_bridge_port *p) p->br = NULL; p->dev = NULL; - dev_put(dev); + dev_put_track(dev, &p->dev_tracker); kobject_put(&p->kobj); }
@@ -423,7 +423,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br, return ERR_PTR(-ENOMEM); p->br = br; - dev_hold(dev); + dev_hold_track(dev, &p->dev_tracker, GFP_KERNEL); p->dev = dev; p->path_cost = port_cost(dev); p->priority = 0x8000 >> BR_PORT_BITS;
@@ -434,7 +434,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br, br_stp_port_timer_init(p); err = br_multicast_add_port(p); if (err) { - dev_put(dev); + dev_put_track(dev, &p->dev_tracker); kfree(p); p = ERR_PTR(err); }
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index c0efd697865abea651263fc5258715e50c151726..af2b3512d86c8bc0fe799d9d698fa9b6bf3cb94b 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h@@ -344,6 +344,7 @@ struct net_bridge_mdb_entry { struct net_bridge_port { struct net_bridge *br; struct net_device *dev; + netdevice_tracker dev_tracker; struct list_head list; unsigned long flags;
--
2.34.1.400.ga245620fadb-goog