netdev - Re: Question on rhashtable in worst-case scenario.

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Message-ID: <1459437761.4576.25.camel@sipsolutions.net>
Date:	Thu, 31 Mar 2016 17:22:41 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Ben Greear <greearb@...delatech.com>,
	David Miller <davem@...emloft.net>
Cc:	linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	tgraf@...g.ch
Subject: Re: Question on rhashtable in worst-case scenario.

On Thu, 2016-03-31 at 08:13 -0700, Ben Greear wrote:
> 
> I see insertion failure, and then later, if of course fails to delete
> as well since it was never inserted to begin with.  There is no good
> way to deal with insertion error, so just need to fix the hashtable.

Oh, that's an oversight in mac80211 - it should be dealing with
insertion failures properly. This isn't really a problem either,
although it will lead to errors in your particular case.

https://p.sipsolutions.net/cf77c78d69a231d4.txt

johannes