linux-kernel - [PATCH 04/11] virt/coco/sev-guest: Remove the disable_vmpck label in handle_guest

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Date:   Thu, 16 Feb 2023 13:41:13 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Dionna Glaze <dionnaglaze@...gle.com>,
        Joerg Roedel <jroedel@...e.de>,
        Michael Roth <michael.roth@....com>,
        Nikunj A Dadhania <nikunj@....com>,
        Peter Gonda <pgonda@...gle.com>,
        Tom Lendacky <Thomas.Lendacky@....com>,
        linux-coco@...ts.linux.dev, x86@...nel.org
Subject: [PATCH 04/11] virt/coco/sev-guest: Remove the disable_vmpck label in handle_guest_request()

From: "Borislav Petkov (AMD)" <bp@...en8.de>

Call the function directly instead.

No functional changes.

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
---
 drivers/virt/coco/sev-guest/sev-guest.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/virt/coco/sev-guest/sev-guest.c b/drivers/virt/coco/sev-guest/sev-guest.c
index 5b4cddf44a3a..c0ecc5885573 100644
--- a/drivers/virt/coco/sev-guest/sev-guest.c
+++ b/drivers/virt/coco/sev-guest/sev-guest.c
@@ -388,7 +388,8 @@ static int handle_guest_request(struct snp_guest_dev *snp_dev, u64 exit_code, in
 		dev_alert(snp_dev->dev,
 			  "Detected error from ASP request. rc: %d, fw_err: %llu\n",
 			  rc, *fw_err);
-		goto disable_vmpck;
+		snp_disable_vmpck(snp_dev);
+		return rc;
 	}
 
 	rc = verify_and_dec_payload(snp_dev, resp_buf, resp_sz);
@@ -396,17 +397,14 @@ static int handle_guest_request(struct snp_guest_dev *snp_dev, u64 exit_code, in
 		dev_alert(snp_dev->dev,
 			  "Detected unexpected decode failure from ASP. rc: %d\n",
 			  rc);
-		goto disable_vmpck;
+		snp_disable_vmpck(snp_dev);
+		return rc;
 	}
 
 	/* Increment to new message sequence after payload decryption was successful. */
 	snp_inc_msg_seqno(snp_dev);
 
 	return 0;
-
-disable_vmpck:
-	snp_disable_vmpck(snp_dev);
-	return rc;
 }
 
 static int get_report(struct snp_guest_dev *snp_dev, struct snp_guest_request_ioctl *arg)
-- 
2.35.1