2020-09-22 08:34:16

by Zou Wei

[permalink] [raw]
Subject: [PATCH -next] dma-buf: heaps: Remove unused variable ret

This patch fixes below warnings reported by coccicheck

./drivers/dma-buf/heaps/heap-helpers.c:202:5-8: Unneeded variable: "ret". Return "0" on line 215

Signed-off-by: Zou Wei <[email protected]>
---
drivers/dma-buf/heaps/heap-helpers.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
index d0696cf..7969510 100644
--- a/drivers/dma-buf/heaps/heap-helpers.c
+++ b/drivers/dma-buf/heaps/heap-helpers.c
@@ -199,7 +199,6 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
{
struct heap_helper_buffer *buffer = dmabuf->priv;
struct dma_heaps_attachment *a;
- int ret = 0;

mutex_lock(&buffer->lock);

@@ -212,7 +211,7 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
}
mutex_unlock(&buffer->lock);

- return ret;
+ return 0;
}

static int dma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
--
2.6.2


2020-09-22 12:43:38

by Christian König

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Subject: Re: [PATCH -next] dma-buf: heaps: Remove unused variable ret

Am 22.09.20 um 09:53 schrieb Zou Wei:
> This patch fixes below warnings reported by coccicheck
>
> ./drivers/dma-buf/heaps/heap-helpers.c:202:5-8: Unneeded variable: "ret". Return "0" on line 215
>
> Signed-off-by: Zou Wei <[email protected]>

Acked-by: Christian König <[email protected]>

Going to pick this up for drm-misc-next.

> ---
> drivers/dma-buf/heaps/heap-helpers.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
> index d0696cf..7969510 100644
> --- a/drivers/dma-buf/heaps/heap-helpers.c
> +++ b/drivers/dma-buf/heaps/heap-helpers.c
> @@ -199,7 +199,6 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
> {
> struct heap_helper_buffer *buffer = dmabuf->priv;
> struct dma_heaps_attachment *a;
> - int ret = 0;
>
> mutex_lock(&buffer->lock);
>
> @@ -212,7 +211,7 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
> }
> mutex_unlock(&buffer->lock);
>
> - return ret;
> + return 0;
> }
>
> static int dma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,

2020-09-22 14:53:36

by Sumit Semwal

[permalink] [raw]
Subject: Re: [PATCH -next] dma-buf: heaps: Remove unused variable ret

Hello Zou,

On Tue, 22 Sep 2020 at 18:12, Christian König <[email protected]> wrote:
>
> Am 22.09.20 um 09:53 schrieb Zou Wei:
> > This patch fixes below warnings reported by coccicheck
> >
> > ./drivers/dma-buf/heaps/heap-helpers.c:202:5-8: Unneeded variable: "ret". Return "0" on line 215
> >
> > Signed-off-by: Zou Wei <[email protected]>
>
> Acked-by: Christian König <[email protected]>
>
> Going to pick this up for drm-misc-next.
Thanks Christian!
Fwiw, feel free to add my
Acked-by: Sumit Semwal <[email protected]>
>
> > ---
> > drivers/dma-buf/heaps/heap-helpers.c | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
> > index d0696cf..7969510 100644
> > --- a/drivers/dma-buf/heaps/heap-helpers.c
> > +++ b/drivers/dma-buf/heaps/heap-helpers.c
> > @@ -199,7 +199,6 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
> > {
> > struct heap_helper_buffer *buffer = dmabuf->priv;
> > struct dma_heaps_attachment *a;
> > - int ret = 0;
> >
> > mutex_lock(&buffer->lock);
> >
> > @@ -212,7 +211,7 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
> > }
> > mutex_unlock(&buffer->lock);
> >
> > - return ret;
> > + return 0;
> > }
> >
> > static int dma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
>

Best,
Sumit.