tree d6f03cf8b7f22486fec46785927d1d754235621b
parent 933224985a0abdca8d60f7c4626068fbdead949f
author Shant KumarX Sonnad <shant.kumarx.sonnad@intel.com> 1556552596 +0100
committer Herbert Xu <herbert@gondor.apana.org.au> 1558591262 +0800

crypto: qat - add check for negative offset in alg precompute function

The offset is calculated based on type of hash algorithum.
If the algorithum is invalid the offset can have negative value.
Hence added negative offset check and return -EFAULT.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Shant KumarX Sonnad <shant.kumarx.sonnad@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>