Re: [PATCH] Staging: octeon: Avoid several usecases of strcpy

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On Wed, Sep 11, 2019 at 08:23:59AM +0200, Sandro Volery wrote:
> strcpy was used multiple times in strcpy to write into dev->name.
> I replaced them with strscpy.
> 
> Signed-off-by: Sandro Volery <sandro@xxxxxxxxxx>
> ---
>  drivers/staging/octeon/ethernet.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
> index 8889494adf1f..cf8e9a23ebf9 100644
> --- a/drivers/staging/octeon/ethernet.c
> +++ b/drivers/staging/octeon/ethernet.c
> @@ -784,7 +784,7 @@ static int cvm_oct_probe(struct platform_device *pdev)
>  			priv->imode = CVMX_HELPER_INTERFACE_MODE_DISABLED;
>  			priv->port = CVMX_PIP_NUM_INPUT_PORTS;
>  			priv->queue = -1;
> -			strcpy(dev->name, "pow%d");
> +			strscpy(dev->name, "pow%d", sizeof(dev->name));

Is there a program which is generating a warning for this code?  We know
that "pow%d" is 6 characters and static analysis tools can understand
this code fine so we know it's safe.

regards,
dan carpenter

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