Re: [PATCH] net: can: usb: peak_usb: pcan_usb_core.c: Cleaning up missing null-terminate in conjunction with strncpy

From: Marc Kleine-Budde
Date: Tue Sep 16 2014 - 10:09:59 EST


On 09/14/2014 07:31 PM, Rickard Strandqvist wrote:
> Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/net/can/usb/peak_usb/pcan_usb_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
> index 644e6ab..d4fe8ac 100644
> --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
> +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
> @@ -830,7 +830,7 @@ static void peak_usb_disconnect(struct usb_interface *intf)
> char name[IFNAMSIZ];
>
> dev->state &= ~PCAN_USB_STATE_CONNECTED;
> - strncpy(name, netdev->name, IFNAMSIZ);
> + strlcpy(name, netdev->name, IFNAMSIZ);
>
> unregister_netdev(netdev);
> free_candev(netdev);
>

What about removing the dev_info(), the name array and the str?cpy()
completely?

Marc

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