Re: [PATCH] aquantia: Fix "ethtool -S" crash when adapter down.

[Joe Perches]

On Thu, 2017-05-04 at 23:10 +0300, Pavel Belous wrote:
> diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c 
> b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
[]
> @@ -959,8 +959,10 @@ void aq_nic_free_hot_resources(struct aq_nic_s *self)
>               goto err_exit;
>  
>       for (i = AQ_DIMOF(self->aq_vec); i--;) {
> -             if (self->aq_vec[i])
> +             if (self->aq_vec[i]) {
>                       aq_vec_free(self->aq_vec[i]);
> +                     self->aq_vec[i] = NULL;
> +             }
>       }
>  
>  err_exit:;

unrelated style trivia:

err_exit:;

the error label then :; is pretty odd.

Also casting the return value to void is really odd.
A simple return instead of goto would be more common.

drivers/net/ethernet/aquantia/atlantic/aq_ring.c:311:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_ring.c:326:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_main.c:161:err_exit:;
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c:277:err_exit:;
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c:313:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_nic.c:304:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_nic.c:763:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_nic.c:951:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_nic.c:966:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_vec.c:281:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_vec.c:302:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c:251:err_exit:;
drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c:270:err_exit:;