[CRYPTO] api: Wake up all waiters when larval completes

Right now when a larval matures or when it dies of an error we
only wake up one waiter.  This would cause other waiters to timeout
unnecessarily.  This patch changes it to use complete_all to wake
up all waiters.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/api.c b/crypto/api.c
index 33734fd..4ccc5af 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -144,7 +144,7 @@
 	down_write(&crypto_alg_sem);
 	list_del(&alg->cra_list);
 	up_write(&crypto_alg_sem);
-	complete(&larval->completion);
+	complete_all(&larval->completion);
 	crypto_alg_put(alg);
 }