Re: [PATCH V2] usb: gadget: udc: renesas_usb3: Fix compiler warning

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On Wed, Jan 22, 2025 at 03:12:31AM -0500, guoren@xxxxxxxxxx wrote:
> From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> 
> drivers/usb/gadget/udc/renesas_usb3.c: In function 'renesas_usb3_probe':
> drivers/usb/gadget/udc/renesas_usb3.c:2638:73: warning: '%d'
> directive output may be truncated writing between 1 and 11 bytes into a
> region of size 6 [-Wformat-truncation=]
> 2638 |   snprintf(usb3_ep->ep_name, sizeof(usb3_ep->ep_name), "ep%d", i);
>                                     ^~~~~~~~~~~~~~~~~~~~~~~~     ^~   ^
> 
> Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for Renesas
> USB3.0 peripheral controller")
> Cc: stable@xxxxxxxxxxxxxxx
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202501201409.BIQPtkeB-lkp@xxxxxxxxx/
> Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Guo Ren <guoren@xxxxxxxxxx>
> ---
>  drivers/usb/gadget/udc/renesas_usb3.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
> index fce5c41d9f29..89b304cf6d03 100644
> --- a/drivers/usb/gadget/udc/renesas_usb3.c
> +++ b/drivers/usb/gadget/udc/renesas_usb3.c
> @@ -310,7 +310,7 @@ struct renesas_usb3_request {
>  	struct list_head	queue;
>  };
>  
> -#define USB3_EP_NAME_SIZE	8
> +#define USB3_EP_NAME_SIZE	16
>  struct renesas_usb3_ep {
>  	struct usb_ep ep;
>  	struct renesas_usb3 *usb3;
> -- 
> 2.40.1
> 
> 

Hi,

This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
a patch that has triggered this response.  He used to manually respond
to these common problems, but in order to save his sanity (he kept
writing the same thing over and over, yet to different people), I was
created.  Hopefully you will not take offence and will fix the problem
in your patch and resubmit it so that it can be accepted into the Linux
kernel tree.

You are receiving this message because of the following common error(s)
as indicated below:

- This looks like a new version of a previously submitted patch, but you
  did not list below the --- line any changes from the previous version.
  Please read the section entitled "The canonical patch format" in the
  kernel file, Documentation/process/submitting-patches.rst for what
  needs to be done here to properly describe this.

If you wish to discuss this problem further, or you have questions about
how to resolve this issue, please feel free to respond to this email and
Greg will reply once he has dug out from the pending patches received
from other developers.

thanks,

greg k-h's patch email bot




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