1 files changed, 1 insertions, 0 deletions

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index b741618e4d54..d355e5e47fe3 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -219,6 +219,7 @@ static void dev_watchdog(unsigned long arg)
                                 printk(KERN_INFO "NETDEV WATCHDOG: %s: transmit timed out\n",
                                        dev->name);
                                 dev->tx_timeout(dev);
+                                WARN_ON_ONCE(1);
                         }
                         if (!mod_timer(&dev->watchdog_timer, round_jiffies(jiffies + dev->watchdog_timeo)))
                                 dev_hold(dev);