[PATCH] staging: qlge: qlge_main.c: convert do-while loops to for loops

Srivathsan Sivakumar
2022-06-09T17:01:31Z

On Thu, Jun 09, 2022 at 06:26:53PM +0300, Dan Carpenter wrote:
> On Thu, Jun 09, 2022 at 11:15:51AM -0400, Srivathsan Sivakumar wrote:
> > diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
> > index 8c35d4c4b851..308e8b621185 100644
> > --- a/drivers/staging/qlge/qlge_main.c
> > +++ b/drivers/staging/qlge/qlge_main.c
> > @@ -3006,13 +3006,13 @@ static int qlge_start_rx_ring(struct qlge_adapter *qdev, struct rx_ring *rx_ring
> > cqicb->flags |= FLAGS_LL; /* Load lbq values */
> > tmp = (u64)rx_ring->lbq.base_dma;
> > base_indirect_ptr = rx_ring->lbq.base_indirect;
> > - page_entries = 0;
> > - do {
> > - *base_indirect_ptr = cpu_to_le64(tmp);
> > - tmp += DB_PAGE_SIZE;
> > - base_indirect_ptr++;
> > - page_entries++;
> > - } while (page_entries < MAX_DB_PAGES_PER_BQ(QLGE_BQ_LEN));
> > +
> > + for (page_entries = 0; page_entries <
> > + MAX_DB_PAGES_PER_BQ(QLGE_BQ_LEN); page_entries++) {
> > + *base_indirect_ptr = cpu_to_le64(tmp);
> > + tmp += DB_PAGE_SIZE;
> > + base_indirect_ptr++;
> > + }
>
> It's better than the original, but wouldn't it be better yet to write
> something like this (untested):
>
> for (i = 0; i < MAX_DB_PAGES_PER_BQ(QLGE_BQ_LEN); i++)
> base_indirect_ptr[i] = cpu_to_le64(tmp + (i * DB_PAGE_SIZE));
>
> Same with the other as well, obviously.
>
> regards,
> dan carpenter
>

Hello Dan,

Thanks for your input

wouldn't base_indirect_ptr point at a different endian value if tmp is
added with (i * DB_PAGE_SIZE)?

Thanks,
Srivathsan