net: avoid quadratic behavior in netdev_wait_allrefs_any()
If the list of devices has N elements, netdev_wait_allrefs_any() is called N times, and linkwatch_forget_dev() is called N*(N-1)/2 times. Fix this by calling linkwatch_forget_dev() only once per device. Fixes: faab39f6 ("net: allow out-of-order netdev unregistration") Signed-off-by:Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20220218065430.2613262-1-eric.dumazet@gmail.comSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
Showing
Please register or sign in to comment