[PATCH] crypto: AF_ALG - remove locking in async callback

[Herbert Xu]

On Sun, Oct 29, 2017 at 09:39:30PM +0100, Stephan Müller wrote:
> Am Mittwoch, 25. Oktober 2017, 17:26:31 CET schrieb Romain Izard:
> 
> Hi Romain,
> 
> the patch below should cover the issue you see. Would you mind testing it?
> 
> Thanks
> Stephan
> 
> ---8<---
> 
> The code paths protected by the socket-lock do not use or modify the
> socket in a non-atomic fashion. The actions pertaining the socket do not
> even need to be handled as an atomic operation. Thus, the socket-lock
> can be safely ignored.

Are you sure about that? In particular is the callback function still
sane without the socket lock if a concurrent recvmsg/sendmsg call is
made?

Your fixes header is wrong too as the locks weren't introduced in that
commit, they just got moved around.

Cheers,
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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