netdev - Re: 4.12-RC2 BUG: scheduling while atomic: irq/47-iwlwifi

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Message-ID: <1495450628.2653.14.camel@sipsolutions.net>
Date:   Mon, 22 May 2017 12:57:08 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Sander Eikelenboom <linux@...elenboom.it>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        Arend Van Spriel <arend.vanspriel@...adcom.com>
Cc:     netdev@...r.kernel.org
Subject: Re: 4.12-RC2 BUG: scheduling while atomic: irq/47-iwlwifi

On Mon, 2017-05-22 at 12:36 +0200, Sander Eikelenboom wrote:
> Hi,
> 
> I encountered this splat with 4.12-RC2.

Ugh, yeah, I should've seen that in the review.

Arend, please take a look at this. cfg80211_sched_scan_results() cannot
sleep, so you can't rtnl_lock() in there. Looks like you can just rely
on RCU though?

johannes