[CRYPTO] api: Feed flag directly to crypto_yield

The sleeping flag used to determine whether crypto_yield can actually
yield is really a per-operation flag rather than a per-tfm flag.  This
patch changes crypto_yield to take a flag directly so that we can start
using a per-operation flag instead the tfm flag.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/digest.c b/crypto/digest.c
index 19e7556..96244a5 100644
--- a/crypto/digest.c
+++ b/crypto/digest.c
@@ -55,7 +55,7 @@
 			tfm->__crt_alg->cra_digest.dia_update(tfm, p,
 							      bytes_from_page);
 			crypto_kunmap(src, 0);
-			crypto_yield(tfm);
+			crypto_yield(tfm->crt_flags);
 			offset = 0;
 			pg++;
 			l -= bytes_from_page;