Re: [PATCH] staging: rtl8712: rtl871x_ioctl_linux.c: Cleaning up memory leak

Dan Carpenter
2014-06-02T08:43:32Z

On Sun, Jun 01, 2014 at 01:30:43PM +0200, Rickard Strandqvist wrote:
> There is a risk for memory leak in when something unexpected happens
> and the function returns.
>
> This was largely found by using a static code analysis program called cppcheck.
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
> ---
> drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> index 23d539d..27e0243 100644
> --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
> @@ -1822,6 +1822,7 @@ static int r871x_wx_set_enc_ext(struct net_device *dev,
> alg_name = "CCMP";
> break;
> default:
> + kfree(param);

Wat? Param isn't even allocated at this point. It gets allocated a
couple lines later.

regards,
dan carpenter