linux-kernel - Re: [PATCH] trivial: report backend_cra

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Date:	Thu, 11 Jun 2015 08:28:53 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	sergey.senozhatsky.work@...il.com
Subject: Re: [PATCH] trivial: report backend_cra_name when allocation fails

On Wed, Jun 10, 2015 at 10:27:47PM +0900, Sergey Senozhatsky wrote:
> Hello,
> 
> A trivial patch.
> 
> My wifi stopped working recently, and the error message was not too
> informative (at least to me):
> 
> kernel: wlp2s0: authenticate with 64:e5:99:74:dc:44
> kernel: wlp2s0: send auth to 64:e5:99:74:dc:44 (try 1/3)
> kernel: wlp2s0: authenticated
> kernel: wlp2s0: associate with 64:e5:99:74:dc:44 (try 1/3)
> kernel: wlp2s0: RX AssocResp from 64:e5:99:74:dc:44 (capab=0x411 status=0 aid=1)
> kernel: wlp2s0: associated
> kernel: IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready
> dhclient[355]: DHCPREQUEST on wlp2s0 to 255.255.255.255 port 67
> kernel: DRBG: could not allocate digest TFM handle
> kernel: wlp2s0: deauthenticating from 64:e5:99:74:dc:44 by local choice (Reason: 1=UNSPECIFIED)
> kernel: cfg80211: Calling CRDA to update world regulatory domain
> 
> 
> an update error message
>   DRBG: could not allocate digest TFM handle: hmac(sha256)
> 
> is slightly more helpful (didn't have sha256 config enabled).

Thanks.  And I'll make sure drbg select sha256 so that this doesn't
happen.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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