Re: [PATCH] WIFI: handle a neglected case innl80211_new_interface()

[Chao Bi]

On Thu, 2013-11-28 at 11:53 +0800, Chao Bi wrote:
> On Wed, 2013-11-27 at 20:43 +0530, Ujjal Roy wrote:
> > Hi,
> > 
> > 
> > We can use IS_ERR_OR_NULL(wdev) to check NULL as well as error value.
> > 
> > Thanks,
> > UjjaL
> > 
> > On Wed, Nov 27, 2013 at 8:30 AM, Chao Bi <chao.bi@xxxxxxxxx> wrote:
> >         In nl80211_new_interface(), it calls rdev_add_virtual_intf() to create
> >         a new interface, however, it only checks whether returned value is err
> >         code, but doesn't check if returned value is NULL. The returned 
> 
> Thanks Ujjal. I'll update it.
> 
Hi all,
This patch is not valid, I further check the nl80211 API introduce,
don't need to handle this NULL return value because it bans NULL
feedback of add_virtual_intf() API in cfg80211.h.

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