kernel_fpu_begin/end used preempt_disable/enable, so sleep should be
prevented between kernel_fpu_begin/end.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
        struct blkcipher_desc desc = {
                .tfm = child,
                .info = desc_in->info,
-               .flags = desc_in->flags,
+               .flags = desc_in->flags & ~CRYPTO_TFM_REQ_MAY_SLEEP,
        };
 
        kernel_fpu_begin();
        struct blkcipher_desc desc = {
                .tfm = child,
                .info = desc_in->info,
-               .flags = desc_in->flags,
+               .flags = desc_in->flags & ~CRYPTO_TFM_REQ_MAY_SLEEP,
        };
 
        kernel_fpu_begin();