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Date:	Thu, 28 Nov 2013 11:53:38 +0800
From:	Chao Bi <>
To:	Ujjal Roy <>
Cc:	Johannes Berg <>,
	"John W. Linville" <>,
	"David S. Miller" <>,,,
Subject: Re: [PATCH] WIFI: handle a neglected case in

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 <> 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.

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