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authorMarcelo Cerri <mhcerri@linux.vnet.ibm.com>2013-08-12 18:49:37 -0300
committerHerbert Xu <herbert@gondor.apana.org.au>2013-08-14 20:42:04 +1000
commitc849163b80c05f4567b1adef5db7f377460f88cd (patch)
treeb7e3e40e463ed921040c1049212e40132103c536 /drivers/md/dm-io.c
parentf22d08111a1d23f7432ee8d9c2dd637deb6963bd (diff)
crypto: nx - fix concurrency issue
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@linux.vnet.ibm.com> Reviewed-by: Joy Latten <jmlatten@linux.vnet.ibm.com> Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/md/dm-io.c')
0 files changed, 0 insertions, 0 deletions