[PATCH] crypto: nx - fix concurrency issue

[Herbert Xu]

On Mon, Aug 12, 2013 at 06:49:37PM -0300, Marcelo Cerri wrote:
> The NX driver uses the transformation context to store several fields
> containing data related to the state of the operations in progress.
> Since a single tfm can be used by different kernel threads at the same
> time, we need to protect the data stored into the context.
> 
> This patch makes use of spin locks to protect the data where a race
> condition can happen.
> 
> Reviewed-by: Fionnuala Gunter <fin at linux.vnet.ibm.com>
> Reviewed-by: Joy Latten <jmlatten at linux.vnet.ibm.com>
> Signed-off-by: Marcelo Cerri <mhcerri at linux.vnet.ibm.com>

Patch applied.  Thanks a lot!
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt