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netpoll: allocate netdev tracker right away
Commit 5fa5ae6 ("netpoll: add net device refcount tracker to struct netpoll") was part of one of the initial netdev tracker introduction patches. It added an explicit netdev_tracker_alloc() for netpoll, presumably because the flow of the function is somewhat odd. After most of the core networking stack was converted to use the tracking hold() variants, netpoll's call to old dev_hold() stands out a bit. np is allocated by the caller and ready to use, we can use netdev_hold() here, even tho np->ndev will only be set to ndev inside __netpoll_setup(). Reviewed-by: Eric Dumazet <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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