Re: [PATCH] staging: rtl8723bs: core: rtw_recv: fix warning Comparison to NULL

From: Hariprasad Kelam
Date: Thu May 16 2019 - 14:27:47 EST


On Thu, May 16, 2019 at 11:00:56AM +0300, Dan Carpenter wrote:
> On Wed, May 15, 2019 at 11:15:36PM +0530, Hariprasad Kelam wrote:
> > @@ -1042,7 +1042,7 @@ sint sta2ap_data_frame(
> > }
> >
> > *psta = rtw_get_stainfo(pstapriv, pattrib->src);
> > - if (*psta == NULL) {
> > + if (!*psta == NULL) {
> ^^^^^^^^^^^^^^
> It's surprising that this didn't cause some kind of warning somewhere...

Thanks for pointing out this error. Here my intention is to write
if(!*psta)
but somehow i missed it .

Will resend this patch after correcting the same.Like below

> - if (*psta == NULL) {
> > + if (!*psta) {


Do let me know if the above propose change is fine or not.
>
> > RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under AP_MODE; drop pkt\n"));
> > DBG_871X("issue_deauth to sta =" MAC_FMT " for the reason(7)\n", MAC_ARG(pattrib->src));
> >
>
> regards,
> dan carpenter