On Tue, Apr 17, 2018 at 10:04:37AM +1200, Michael Schmitz wrote:
> From: Michael Karcher <deb...@mkarcher.dialup.fu-berlin.de>
> 
> Call ax_mii_init in ax_open(), and unregister/remove mdiobus resources
> in ax_close().
> 
> This is needed to be able to unload the module, as the module is busy
> while the MII bus is attached.
> 
> Signed-off-by: Michael Karcher <ker...@mkarcher.dialup.fu-berlin.de>
> Signed-off-by: Michael Schmitz <schmitz...@gmail.com>
> ---
>  drivers/net/ethernet/8390/ax88796.c |   13 +++++++++----
>  1 files changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/8390/ax88796.c 
> b/drivers/net/ethernet/8390/ax88796.c
> index 2a256aa..f7b8911 100644
> --- a/drivers/net/ethernet/8390/ax88796.c
> +++ b/drivers/net/ethernet/8390/ax88796.c
> @@ -79,6 +79,8 @@
>  
>  static u32 ax_msg_enable;
>  
> +static int ax_mii_init(struct net_device *dev);

Hi Michael

We try to avoid forward declarations. Please can you move
ax_mii_init() so this is not needed.

> +
>  /* device private data */
>  
>  struct ax_device {
> @@ -396,6 +398,10 @@ static int ax_open(struct net_device *dev)
>  
>       netdev_dbg(dev, "open\n");
>  
> +     ret = ax_mii_init(dev);
> +     if (ret)
> +             goto failed_request_irq;
> +
>       ret = request_irq(dev->irq, ax_ei_interrupt, ax->irqflags,
>                         dev->name, dev);
>       if (ret)

You are missing some cleanup on error at the end of ax_open().
It was also missing before.

   Andrew
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