[PATCH 4/4] net: register debugfs file for net_device refcnt tracker
From: Jeff Layton
Date: Mon Apr 14 2025 - 11:15:55 EST
As a nearly-final step in register_netdevice(), finalize the name in the
refcount tracker, and register a debugfs file for it.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
net/core/dev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/core/dev.c b/net/core/dev.c
index 2f7f5fd9ffec7c0fc219eb6ba57d57a55134186e..db9cac702bb2230ca2bbc2c04ac0a77482c65fc3 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10994,6 +10994,8 @@ int register_netdevice(struct net_device *dev)
dev->rtnl_link_state == RTNL_LINK_INITIALIZED)
rtmsg_ifinfo(RTM_NEWLINK, dev, ~0U, GFP_KERNEL, 0, NULL);
+ /* Register debugfs file for the refcount tracker */
+ ref_tracker_dir_debugfs(&dev->refcnt_tracker, dev->name);
out:
return ret;
--
2.49.0