[RFC PATCH] virtio-crypto: virtio_crypto_rsa_do_req() can be static

[kernel test robot]

drivers/crypto/virtio/virtio_crypto_akcipher_algo.c:276:5: warning: symbol 'virtio_crypto_rsa_do_req' was not declared. Should it be static?

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 virtio_crypto_akcipher_algo.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/virtio/virtio_crypto_akcipher_algo.c b/drivers/crypto/virtio/virtio_crypto_akcipher_algo.c
index eebccf71b2fab..2b3f8780b7551 100644
--- a/drivers/crypto/virtio/virtio_crypto_akcipher_algo.c
+++ b/drivers/crypto/virtio/virtio_crypto_akcipher_algo.c
@@ -273,7 +273,7 @@ static int __virtio_crypto_akcipher_do_req(struct virtio_crypto_akcipher_request
 	return -ENOMEM;
 }
 
-int virtio_crypto_rsa_do_req(struct crypto_engine *engine, void *vreq)
+static int virtio_crypto_rsa_do_req(struct crypto_engine *engine, void *vreq)
 {
 	struct akcipher_request *req = container_of(vreq, struct akcipher_request, base);
 	struct virtio_crypto_akcipher_request *vc_akcipher_req = akcipher_request_ctx(req);