function enc_payload() is bool but return signedness value.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
 drivers/virt/coco/sevguest/sevguest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virt/coco/sevguest/sevguest.c b/drivers/virt/coco/sevguest/sevguest.c
index 15afb6ce8d19..07adf3145d76 100644
--- a/drivers/virt/coco/sevguest/sevguest.c
+++ b/drivers/virt/coco/sevguest/sevguest.c
@@ -276,7 +276,7 @@ static int verify_and_dec_payload(struct snp_guest_dev *snp_dev, void *payload,
 	return dec_payload(snp_dev, resp, payload, resp_hdr->msg_sz + crypto->a_len);
 }
 
-static bool enc_payload(struct snp_guest_dev *snp_dev, u64 seqno, int version, u8 type,
+static int enc_payload(struct snp_guest_dev *snp_dev, u64 seqno, int version, u8 type,
 			void *payload, size_t sz)
 {
 	struct snp_guest_msg *req = snp_dev->request;
-- 
2.7.4