br_timer_value() can be called locklessly, the expires field could be changed concurrently. Signed-off-by: Eric Dumazet Reviewed-by: Ido Schimmel --- net/bridge/br_stp_timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c index e5d453305381baa34225a144ac99e98f2a62d810..83cc9c6a3943508eb94d20ddc1b7e737a58d7abb 100644 --- a/net/bridge/br_stp_timer.c +++ b/net/bridge/br_stp_timer.c @@ -160,5 +160,5 @@ void br_stp_port_timer_init(struct net_bridge_port *p) unsigned long br_timer_value(const struct timer_list *timer) { return timer_pending(timer) - ? jiffies_delta_to_clock_t(timer->expires - jiffies) : 0; + ? jiffies_delta_to_clock_t(READ_ONCE(timer->expires) - jiffies) : 0; } -- 2.54.0.1013.g208068f2d8-goog