crypto: shash - Fix has_key setting

The has_key logic is wrong for shash algorithms as they always
have a setkey function.  So we should instead be testing against
shash_no_setkey.

Fixes: a5596d633278 ("crypto: hash - Add crypto_ahash_has_setkey")
Cc: stable@vger.kernel.org
Reported-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Stephan Mueller <smueller@chronox.de>
diff --git a/crypto/shash.c b/crypto/shash.c
index 88a27de..3597545 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -354,11 +354,10 @@
 	crt->final = shash_async_final;
 	crt->finup = shash_async_finup;
 	crt->digest = shash_async_digest;
+	crt->setkey = shash_async_setkey;
 
-	if (alg->setkey) {
-		crt->setkey = shash_async_setkey;
-		crt->has_setkey = true;
-	}
+	crt->has_setkey = alg->setkey != shash_no_setkey;
+
 	if (alg->export)
 		crt->export = shash_async_export;
 	if (alg->import)