| Date | Tue, 17 May 2022 08:19:18 -0700 | From | Stephen Hemminger <> | Subject | Re: [PATCH 03/12] net: mana: Handle vport sharing between devices |
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On Tue, 17 May 2022 02:04:27 -0700 longli@linuxonhyperv.com wrote:
> diff --git a/drivers/net/ethernet/microsoft/mana/mana.h b/drivers/net/ethernet/microsoft/mana/mana.h > index 51bff91b63ee..26f14fcb6a61 100644 > --- a/drivers/net/ethernet/microsoft/mana/mana.h > +++ b/drivers/net/ethernet/microsoft/mana/mana.h > @@ -375,6 +375,7 @@ struct mana_port_context { > unsigned int num_queues; > > mana_handle_t port_handle; > + atomic_t port_use_count;
Could this be a refcount_t instead? The refcount_t has protections against under/overflow.
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