linux-kernel - Re: [PATCH v2 1/1] atm: solos-pci: Replace simple

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Message-ID: <565EF9EB.3000509@cogentembedded.com>
Date:	Wed, 2 Dec 2015 17:02:19 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	LABBE Corentin <clabbe.montjoie@...il.com>, 3chas3@...il.com,
	linux-atm-general@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2 1/1] atm: solos-pci: Replace simple_strtol by kstrtoint

Hello.

On 12/2/2015 3:54 PM, LABBE Corentin wrote:

> The simple_strtol function is obsolete.
> This patch replace it by kstrtoint.
> This will simplify code, since some error case not handled by
> simple_strtol are handled by kstrtoint.
>
> Signed-off-by: LABBE Corentin <clabbe.montjoie@...il.com>
> ---
>   drivers/atm/solos-pci.c | 28 +++++++++++++++-------------
>   1 file changed, 15 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
> index 3d7fb65..f944d75 100644
> --- a/drivers/atm/solos-pci.c
> +++ b/drivers/atm/solos-pci.c
> @@ -347,8 +347,8 @@ static char *next_string(struct sk_buff *skb)
>    */
>   static int process_status(struct solos_card *card, int port, struct sk_buff *skb)
>   {
> -	char *str, *end, *state_str, *snr, *attn;
> -	int ver, rate_up, rate_down;
> +	char *str, *state_str, *snr, *attn;
> +	int ver, rate_up, rate_down, err;
>
>   	if (!card->atmdev[port])
>   		return -ENODEV;
> @@ -357,11 +357,11 @@ static int process_status(struct solos_card *card, int port, struct sk_buff *skb
>   	if (!str)
>   		return -EIO;
>
> -	ver = simple_strtol(str, NULL, 10);
> -	if (ver < 1) {
> +	err = kstrtoint(str, 10, &ver);
> +	if (ver < 1 || err) {

    Is 'ver' initialized in case of error? If not, you have to check 'err' first.

[...]

MBR, Sergei

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