On 8/26/20 10:48 AM, Ido Schimmel wrote:
> From: Ido Schimmel <[email protected]>
>
> fib_info_notify_update() is always called with RTNL held, but not from
> an RCU read-side critical section. This leads to the following warning
> [1] when the FIB table list is traversed with
> hlist_for_each_entry_rcu(), but without a proper lockdep expression.
>
> Since modification of the list is protected by RTNL, silence the warning
> by adding a lockdep expression which verifies RTNL is held.
>
...
>
> Fixes: 1bff1a0c9bbd ("ipv4: Add function to send route updates")
> Signed-off-by: Ido Schimmel <[email protected]>
> ---
> net/ipv4/fib_trie.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
Thanks, Ido.
Reviewed-by: David Ahern <[email protected]>