> On Sat, 2019-03-02 at 14:50 +0100, Lorenzo Bianconi wrote:
> > Improve code readability reducing code indentation in
> > mt76u_alloc_tx
> 
> Trivial note below:
> 
> > diff --git a/drivers/net/wireless/mediatek/mt76/usb.c 
> > b/drivers/net/wireless/mediatek/mt76/usb.c
> []
> > @@ -787,6 +787,7 @@ static int mt76u_alloc_tx(struct mt76_dev *dev)
> >  {
> >     struct mt76u_buf *buf;
> >     struct mt76_queue *q;
> > +   size_t size;
> >     int i, j;
> >  
> >     for (i = 0; i < IEEE80211_NUM_ACS; i++) {
> > @@ -810,15 +811,15 @@ static int mt76u_alloc_tx(struct mt76_dev *dev)
> >                     if (!buf->urb)
> >                             return -ENOMEM;
> >  
> > -                   if (dev->usb.sg_en) {
> > -                           size_t size = MT_SG_MAX_SIZE *
> > -                                         sizeof(struct scatterlist);
> > +                   if (!dev->usb.sg_en)
> > +                           continue;
> >  
> > -                           buf->urb->sg = devm_kzalloc(dev->dev, size,
> > -                                                       GFP_KERNEL);
> > -                           if (!buf->urb->sg)
> > -                                   return -ENOMEM;
> > -                   }
> > +                   size = MT_SG_MAX_SIZE * sizeof(struct scatterlist);
> > +
> > +                   buf->urb->sg = devm_kzalloc(dev->dev, size,
> > +                                               GFP_KERNEL);
> 
> Perhaps eliminate size and use devm_kcalloc instead like
> the allocation immediately above this.
> ---
>  drivers/net/wireless/mediatek/mt76/usb.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/net/wireless/mediatek/mt76/usb.c 
> b/drivers/net/wireless/mediatek/mt76/usb.c
> index ae6ada370597..fc87ae223f8d 100644
> --- a/drivers/net/wireless/mediatek/mt76/usb.c
> +++ b/drivers/net/wireless/mediatek/mt76/usb.c
> @@ -806,15 +806,15 @@ static int mt76u_alloc_tx(struct mt76_dev *dev)
>                       if (!buf->urb)
>                               return -ENOMEM;
>  
> -                     if (dev->usb.sg_en) {
> -                             size_t size = MT_SG_MAX_SIZE *
> -                                           sizeof(struct scatterlist);
> -
> -                             buf->urb->sg = devm_kzalloc(dev->dev, size,
> -                                                         GFP_KERNEL);
> -                             if (!buf->urb->sg)
> -                                     return -ENOMEM;
> -                     }
> +                     if (!dev->usb.sg_en)
> +                             continue;
> +
> +                     buf->urb->sg = devm_kcalloc(dev->dev,
> +                                                 MT_SG_MAX_SIZE,
> +                                                 sizeof(*buf->urb->sg),
> +                                                 GFP_KERNEL);
> +                     if (!buf->urb->sg)
> +                             return -ENOMEM;
>               }
>       }
>       return 0;
> 

ack, I will post a v2, thx

Regards,
Lorenzo

> 

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