[PATCH net-next 05/13] net: switchdev: add net device refcount tracker
flat view
STALE1742d
From: Eric Dumazet <hidden>
Date: 2021-12-07 01:33:37
Subsystem:
networking [general], switchdev, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jiri Pirko, Ivan Vecera, Linus Torvalds
From: Eric Dumazet <redacted> Signed-off-by: Eric Dumazet <redacted> --- net/switchdev/switchdev.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 83460470e88315f9bee59271b6955294d0b6f42a..b62565278faccfb7f96228a19304a9ec6c161655 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c@@ -28,6 +28,7 @@ typedef void switchdev_deferred_func_t(struct net_device *dev, struct switchdev_deferred_item { struct list_head list; struct net_device *dev; + netdevice_tracker dev_tracker; switchdev_deferred_func_t *func; unsigned long data[]; };
@@ -63,7 +64,7 @@ void switchdev_deferred_process(void) while ((dfitem = switchdev_deferred_dequeue())) { dfitem->func(dfitem->dev, dfitem->data); - dev_put(dfitem->dev); + dev_put_track(dfitem->dev, &dfitem->dev_tracker); kfree(dfitem); } }
@@ -90,7 +91,7 @@ static int switchdev_deferred_enqueue(struct net_device *dev, dfitem->dev = dev; dfitem->func = func; memcpy(dfitem->data, data, data_len); - dev_hold(dev); + dev_hold_track(dev, &dfitem->dev_tracker, GFP_ATOMIC); spin_lock_bh(&deferred_lock); list_add_tail(&dfitem->list, &deferred); spin_unlock_bh(&deferred_lock);
--
2.34.1.400.ga245620fadb-goog