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

2016-12-24 Thread Pali Rohár
In case kmemdup fails thne wl->nvs_len will contains invalid non-zero size.
This patch fixes it.

Signed-off-by: Pali Rohár 
---
 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:
-- 
1.7.9.5



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

2016-12-24 Thread Pavel Machek
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 


> Signed-off-by: Pali Rohár 
> ---
>  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:

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


signature.asc
Description: Digital signature