# Re: \[PATCH v3 24/24\] video: fbdev-MMP: Remove call to memset after dma\_alloc\_coherent

- From: Emil Velikov \<hidden\>
- Date: 2019-07-15 10:40:55 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2019/07/5655198
- Thread: https://ratatoskr.run/linux-fbdev/2019/07/5655019/t.md

```text
On 2019/07/15, Fuqian Huang wrote:
> In commit 518a2f1925c3
> ("dma-mapping: zero memory returned from dma_alloc_*"),
> dma_alloc_coherent has already zeroed the memory.
> So memset is not needed.
> 
> Signed-off-by: Fuqian Huang <redacted>
> ---
> Changes in v3:
>   - Use actual commit rather than the merge commit in the commit message
> 
>  drivers/video/fbdev/mmp/fb/mmpfb.c | 1 -
>  1 file changed, 1 deletion(-)
> 

Reviewed-by: Emil Velikov <redacted>

-Emil
```