diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 8276f21ea7beac7c37a43983b65ddd5b9c0e3d98..60496d405ebf4a6cf0e4cf12d36ab3294617b1f3 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -537,7 +537,7 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
 
 	while (iov_iter_count(&msg->msg_iter)) {
 		struct skcipher_async_rsgl *rsgl;
-		unsigned long used;
+		int used;
 
 		if (!ctx->used) {
 			err = skcipher_wait_for_data(sk, flags);