[PATCH] dma: fix returnvar.cocci warnings

[Andy Shevchenko]

On Sun, Nov 8, 2015 at 9:45 AM, Julia Lawall <julia.lawall at lip6.fr> wrote:
>  Remove unneeded variable used to store return value.
>
> Generated by: scripts/coccinelle/misc/returnvar.cocci
>
> CC: Sinan Kaya <okaya at codeaurora.org>
> Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>

Who is the author?
I suppose Fengguang is the reporter, right?

> ---
>
>  hidma_ll.c |    6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> --- a/drivers/dma/qcom/hidma_ll.c
> +++ b/drivers/dma/qcom/hidma_ll.c
> @@ -567,14 +567,13 @@ int hidma_ll_resume(struct hidma_lldev *
>
>  static int hidma_ll_hw_start(struct hidma_lldev *lldev)
>  {
> -       int rc = 0;
>         unsigned long irqflags;
>
>         spin_lock_irqsave(&lldev->lock, irqflags);
>         writel(lldev->tre_write_offset, lldev->trca + TRCA_DOORBELL_OFFSET);
>         spin_unlock_irqrestore(&lldev->lock, irqflags);
>
> -       return rc;
> +       return 0;
>  }
>
>  bool hidma_ll_isenabled(struct hidma_lldev *lldev)
> @@ -600,7 +599,6 @@ bool hidma_ll_isenabled(struct hidma_lld
>  int hidma_ll_queue_request(struct hidma_lldev *lldev, u32 tre_ch)
>  {
>         struct hidma_tre *tre;
> -       int rc = 0;
>         unsigned long flags;
>
>         tre = &lldev->trepool[tre_ch];
> @@ -618,7 +616,7 @@ int hidma_ll_queue_request(struct hidma_
>         lldev->tre_write_offset = (lldev->tre_write_offset + TRE_SIZE)
>                                 % lldev->tre_ring_size;
>         spin_unlock_irqrestore(&lldev->lock, flags);
> -       return rc;
> +       return 0;
>  }
>
>  int hidma_ll_start(struct hidma_lldev *lldev)
> --
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-- 
With Best Regards,
Andy Shevchenko