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

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Message-ID: <54169CE8.8050609@peak-system.com>
Date:	Mon, 15 Sep 2014 10:01:44 +0200
From:	Stephane Grosjean <s.grosjean@...k-system.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Wolfgang Grandegger <wg@...ndegger.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>
CC:	Oliver Hartkopp <socketcan@...tkopp.net>,
	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	"Christopher R. Baker" <cbaker@....ri.cmu.edu>,
	linux-can@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: can: usb: peak_usb: pcan_usb_core.c:  Cleaning up
 missing null-terminate in conjunction with strncpy

Acked-by: Stephane Grosjean <s.grosjean@...k-system.com>

Le 14/09/2014 19:31, Rickard Strandqvist a écrit :
> Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
> ---
>   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);

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