Re: [PATCH net-next v3 1/2] ipv4: use rcu_assign_pointer() in rt_flush_dev()

[Ido Schimmel]

On Wed, Jul 08, 2026 at 02:05:36PM +0800, xuanqiang.luo@xxxxxxxxx wrote:
> From: Xuanqiang Luo <luoxuanqiang@xxxxxxxxxx>
> 
> rt_flush_dev() replaces rt->dst.dev with blackhole_netdev on uncached
> routes.  The field is also exposed as dst.dev_rcu, and existing readers
> use dst_dev_rcu().
> 
> Use rcu_assign_pointer() for the replacement, as dst_dev_put() already
> does for the same field.
> 
> Signed-off-by: Xuanqiang Luo <luoxuanqiang@xxxxxxxxxx>

Reviewed-by: Ido Schimmel <idosch@xxxxxxxxxx>