linux-kernel - [PATCH] virt: sevguest: Fix bool function returning negative value

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Date:   Thu, 14 Apr 2022 18:04:17 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <bp@...e.de>, <brijesh.singh@....com>, <liam.merwick@...cle.com>
CC:     <linux-kernel@...r.kernel.org>, Haowen Bai <baihaowen@...zu.com>
Subject: [PATCH] virt: sevguest: Fix bool function returning negative value

function enc_payload() is bool but return signedness value.

Signed-off-by: Haowen Bai <baihaowen@...zu.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