github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 19:13:47 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: loopback: Hold rtnl_net_lock() in blackhole_netdev_init().

Browse Source 
blackhole_netdev is the global device in init_net.

Let's hold rtnl_net_lock(&init_net) in blackhole_netdev_init().

While at it, the unnecessary dev_net_set() call is removed, which
is done in alloc_netdev_mqs().

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250114081352.47404-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2025-01-14 17:13:52 +09:00 committed by Jakub Kicinski
parent 7a649f39da
commit 2248c05340
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/loopback.c
View File

@ -264,13 +264,12 @@ static int __init blackhole_netdev_init(void)
if (!blackhole_netdev)
return -ENOMEM;
rtnl_lock();
rtnl_net_lock(&init_net);
dev_init_scheduler(blackhole_netdev);
dev_activate(blackhole_netdev);
rtnl_unlock();
rtnl_net_unlock(&init_net);
blackhole_netdev->flags |= IFF_UP | IFF_RUNNING;
dev_net_set(blackhole_netdev, &init_net);
return 0;
}