Subject: Re: [PATCH 3/6] wl1251: Update wl->nvs_len after wl->nvs is valid

From: Pavel Machek <[email-masked]>
Date: Sat, 24 Dec 2016 19:02:11 +0100

On Sat 2016-12-24 17:52:58, Pali Rohár wrote:
> In case kmemdup fails thne wl->nvs_len will contains invalid non-zero size.
> This patch fixes it.

If kmemdup fails, then wl->nvs_len will contain invalid non-zero size.

?

This probably should go as first in series, as it is bugfix?

									Pavel
Acked-by: Pavel Machek <[email-masked]>

> Signed-off-by: Pali Rohár <[email-masked]>
> ---
>  drivers/net/wireless/ti/wl1251/main.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
> index 24f8866..8971b64 100644
> --- a/drivers/net/wireless/ti/wl1251/main.c
> +++ b/drivers/net/wireless/ti/wl1251/main.c
> @@ -124,8 +124,7 @@ static int wl1251_fetch_nvs(struct wl1251 *wl)
>  		goto out;
>  	}
>  
> -	wl->nvs_len = fw->size;
> -	wl->nvs = kmemdup(fw->data, wl->nvs_len, GFP_KERNEL);
> +	wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL);
>  
>  	if (!wl->nvs) {
>  		wl1251_error("could not allocate memory for the nvs file");
> @@ -133,6 +132,8 @@ static int wl1251_fetch_nvs(struct wl1251 *wl)
>  		goto out;
>  	}
>  
> +	wl->nvs_len = fw->size;
> +
>  	ret = 0;
>  
>  out:

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