crypto: skcipher - call cond_resched() directly

In skcipher_walk_done(), instead of calling crypto_yield() which
requires a translation between flags, just call cond_resched() directly.
This has the same effect.

Signed-off-by: Eric Biggers <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

Author: ebiggers

crypto/skcipher.c

@@ -146,8 +146,8 @@ int skcipher_walk_done(struct skcipher_walk *walk, int res)
 	scatterwalk_done(&walk->out, 1, total);
 
 	if (total) {
-		crypto_yield(walk->flags & SKCIPHER_WALK_SLEEP ?
-			     CRYPTO_TFM_REQ_MAY_SLEEP : 0);
+		if (walk->flags & SKCIPHER_WALK_SLEEP)
+			cond_resched();
 		walk->flags &= ~(SKCIPHER_WALK_SLOW | SKCIPHER_WALK_COPY |
 				 SKCIPHER_WALK_DIFF);
 		return skcipher_walk_next(walk);