diff --git a/crypto/drbg.c b/crypto/drbg.c
index fa749f47013508d562366fb0484e7ea80535ba0a..433c4258e484ee2f7afc932069d3611a07eeb9b9 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1691,6 +1691,7 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
 		return PTR_ERR(sk_tfm);
 	}
 	drbg->ctr_handle = sk_tfm;
+	init_completion(&drbg->ctr_completion);
 
 	req = skcipher_request_alloc(sk_tfm, GFP_KERNEL);
 	if (!req) {