linux-kernel - Re: [PATCH] staging: rtl8723au: os_dep: usb_intf.c: Fix for possible null pointer dereference

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Message-ID: <20141215103117.GC4856@mwanda>
Date:	Mon, 15 Dec 2014 13:31:17 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Cc:	Larry Finger <Larry.Finger@...inger.net>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	devel@...verdev.osuosl.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8723au: os_dep: usb_intf.c: Fix for possible
 null pointer dereference

On Sun, Dec 14, 2014 at 11:39:14PM +0100, Rickard Strandqvist wrote:
> There is otherwise a risk of a possible null pointer dereference.
> 
> Was largely found by using a static code analysis program called cppcheck.
> 
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
> ---
>  drivers/staging/rtl8723au/os_dep/usb_intf.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtl8723au/os_dep/usb_intf.c b/drivers/staging/rtl8723au/os_dep/usb_intf.c
> index 865743e..71a6330 100644
> --- a/drivers/staging/rtl8723au/os_dep/usb_intf.c
> +++ b/drivers/staging/rtl8723au/os_dep/usb_intf.c
> @@ -351,10 +351,11 @@ error_exit:
>  int rtw_hw_resume23a(struct rtw_adapter *padapter)

That's weird.  Is this function even called?

regards,
dan carpenter

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