> > > > > > How about the code below instead? > > > > > > > > > > > > if (netif_running(ndev)) > > > > > > ravb_close(ndev); > > > > > > > > > > > > ndev->mtu = new_mtu; > > > > > > netdev_update_features(ndev); > > > > > > > > > > Is there a need to call netdev_update_features() even if the if is not > > > > > running? > > > > > > > > In my testing, it didn't seem so. > > > > > > That may be because your testing doesn't cover cases where it would make > > > any difference. > > > > Cases other than changing the MTU while the device is up? > > I was thinking of cases where listeners are registered for the > notifier that netdev_update_features() triggers. Where are we here? Is this a blocker?
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