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>
                if (!nbytes)
                        break;
 
-               crypto_yield(tfm);
+               crypto_yield(tfm->crt_flags);
        }
 
        if (buffer)
 
                        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;
 
        kunmap_atomic(vaddr, crypto_kmap_type(out));
 }
 
-static inline void crypto_yield(struct crypto_tfm *tfm)
+static inline void crypto_yield(u32 flags)
 {
-       if (tfm->crt_flags & CRYPTO_TFM_REQ_MAY_SLEEP)
+       if (flags & CRYPTO_TFM_REQ_MAY_SLEEP)
                cond_resched();
 }