Commit 
bea3348eef27e6044b6161fd04c3152215f96411 ('[NET]: Make NAPI
polling independent of struct net_device objects.') removed the
automatic disabling of NAPI polling by dev_close(), and drivers
must now do this themselves.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 dev->stop:
        Synchronization: rtnl_lock() semaphore.
        Context: process
-       Note1: netif_running() is guaranteed false
-       Note2: dev->poll() is guaranteed to be stopped
+       Note: netif_running() is guaranteed false
 
 dev->do_ioctl:
        Synchronization: rtnl_lock() semaphore.