[PATCH] dmaengine: xilinx: use strscpy to replace strlcpy

[PATCH] dmaengine: xilinx: use strscpy to replace strlcpy

[XueBing Chen]

The strlcpy should not be used because it doesn't limit the source
length. Preferred is strscpy.

Signed-off-by: XueBing Chen <chenxuebing@jari.cn>
---
 drivers/dma/xilinx/xilinx_dpdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/xilinx/xilinx_dpdma.c b/drivers/dma/xilinx/xilinx_dpdma.c
index b0f4948b00a5..f5815465e83b 100644
--- a/drivers/dma/xilinx/xilinx_dpdma.c
+++ b/drivers/dma/xilinx/xilinx_dpdma.c
@@ -376,7 +376,7 @@ static ssize_t xilinx_dpdma_debugfs_read(struct file *f, char __user *buf,
 		if (ret < 0)
 			goto done;
 	} else {
-		strlcpy(kern_buff, "No testcase executed",
+		strscpy(kern_buff, "No testcase executed",
 			XILINX_DPDMA_DEBUGFS_READ_MAX_SIZE);
 	}
 
-- 
2.25.1
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Re: [PATCH] dmaengine: xilinx: use strscpy to replace strlcpy

[Laurent Pinchart]

Hi XueBing,

Thank you for the patch.

On Mon, Jul 11, 2022 at 10:05:33PM +0800, XueBing Chen wrote:
> 
> The strlcpy should not be used because it doesn't limit the source
> length. Preferred is strscpy.
> 
> Signed-off-by: XueBing Chen <chenxuebing@jari.cn>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  drivers/dma/xilinx/xilinx_dpdma.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/xilinx/xilinx_dpdma.c b/drivers/dma/xilinx/xilinx_dpdma.c
> index b0f4948b00a5..f5815465e83b 100644
> --- a/drivers/dma/xilinx/xilinx_dpdma.c
> +++ b/drivers/dma/xilinx/xilinx_dpdma.c
> @@ -376,7 +376,7 @@ static ssize_t xilinx_dpdma_debugfs_read(struct file *f, char __user *buf,
>  		if (ret < 0)
>  			goto done;
>  	} else {
> -		strlcpy(kern_buff, "No testcase executed",
> +		strscpy(kern_buff, "No testcase executed",
>  			XILINX_DPDMA_DEBUGFS_READ_MAX_SIZE);
>  	}
>  
-- 
Regards,

Laurent Pinchart

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Re: [PATCH] dmaengine: xilinx: use strscpy to replace strlcpy

[Vinod Koul]

On 11-07-22, 22:05, XueBing Chen wrote:
> 
> The strlcpy should not be used because it doesn't limit the source
> length. Preferred is strscpy.

Applied, thanks

-- 
~Vinod

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