net: Hold rtnl_net_lock() in (un)?register_netdevice_notifier_dev_net().

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(un)?register_netdevice_notifier_dev_net() hold RTNL before triggering
the notifier for all netdev in the netns.

Let's convert the RTNL to rtnl_net_lock().

Note that move_netdevice_notifiers_dev_net() is assumed to be (but not
yet) protected by per-netns RTNL of both src and dst netns; we need to
convert wireless and hyperv drivers that call dev_change_net_namespace().

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250106070751.63146-4-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

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Kuniyuki Iwashima 2025-01-06 16:07:51 +09:00 • committed by Jakub Kicinski

parent ca779f4065

commit 7fb1073300

1 changed files with 10 additions and 6 deletions

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net/core/dev.c

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