diff mbox series

dmaengine: stm32-mdma: Remove redundant initialization of pointer hwdesc

Message ID 20211204140032.548066-1-colin.i.king@gmail.com (mailing list archive)
State New, archived
Headers show
Series dmaengine: stm32-mdma: Remove redundant initialization of pointer hwdesc | expand

Commit Message

Colin Ian King Dec. 4, 2021, 2 p.m. UTC
The pointer hwdesc is being initialized with a value that is never
read, it is being updated later in a for-loop. The assignment is
redundant and can be removed.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
 drivers/dma/stm32-mdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Amelie Delaunay Dec. 6, 2021, 8:29 a.m. UTC | #1
Hi,

On 12/4/21 3:00 PM, Colin Ian King wrote:
> The pointer hwdesc is being initialized with a value that is never
> read, it is being updated later in a for-loop. The assignment is
> redundant and can be removed.
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>

Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com>

> ---
>   drivers/dma/stm32-mdma.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
> index d30a4a28d3bf..805a449ff301 100644
> --- a/drivers/dma/stm32-mdma.c
> +++ b/drivers/dma/stm32-mdma.c
> @@ -1279,7 +1279,7 @@ static size_t stm32_mdma_desc_residue(struct stm32_mdma_chan *chan,
>   				      u32 curr_hwdesc)
>   {
>   	struct stm32_mdma_device *dmadev = stm32_mdma_get_dev(chan);
> -	struct stm32_mdma_hwdesc *hwdesc = desc->node[0].hwdesc;
> +	struct stm32_mdma_hwdesc *hwdesc;
>   	u32 cbndtr, residue, modulo, burst_size;
>   	int i;
>   
>
diff mbox series

Patch

diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
index d30a4a28d3bf..805a449ff301 100644
--- a/drivers/dma/stm32-mdma.c
+++ b/drivers/dma/stm32-mdma.c
@@ -1279,7 +1279,7 @@  static size_t stm32_mdma_desc_residue(struct stm32_mdma_chan *chan,
 				      u32 curr_hwdesc)
 {
 	struct stm32_mdma_device *dmadev = stm32_mdma_get_dev(chan);
-	struct stm32_mdma_hwdesc *hwdesc = desc->node[0].hwdesc;
+	struct stm32_mdma_hwdesc *hwdesc;
 	u32 cbndtr, residue, modulo, burst_size;
 	int i;