> 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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