Re: [PATCH] hostap: do not return positive number on failure pathin prism2_open()

From: Alexey Khoroshilov
Date: Sun Aug 04 2013 - 23:18:18 EST


Please ignore this mail, there is a misprint in signed-off line.
I will resend the patch.

On 08/05/2013 07:02 AM, Alexey Khoroshilov wrote:
> prism2_open() as an .ndo_open handler should not return positive numbers
> in case of failure, but it does return 1 in a couple of places.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Alexey Khoroshilov <khoroshilorv@xxxxxxxxx>
> ---
> drivers/net/wireless/hostap/hostap_main.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c
> index 15f0fad..e4f56ad 100644
> --- a/drivers/net/wireless/hostap/hostap_main.c
> +++ b/drivers/net/wireless/hostap/hostap_main.c
> @@ -667,7 +667,7 @@ static int prism2_open(struct net_device *dev)
> if (local->no_pri) {
> printk(KERN_DEBUG "%s: could not set interface UP - no PRI "
> "f/w\n", dev->name);
> - return 1;
> + return -ENODEV;
> }
>
> if ((local->func->card_present && !local->func->card_present(local)) ||
> @@ -682,7 +682,7 @@ static int prism2_open(struct net_device *dev)
> printk(KERN_WARNING "%s: could not enable MAC port\n",
> dev->name);
> prism2_close(dev);
> - return 1;
> + return -ENODEV;
> }
> if (!local->dev_enabled)
> prism2_callback(local, PRISM2_CALLBACK_ENABLE);

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