linux-kernel - [PATCH -next] platform/x86: amd-pmc: Fix missing unlock on error in amd_pmc_send

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Date:   Thu, 15 Jul 2021 15:43:27 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        <platform-driver-x86@...r.kernel.org>
CC:     <Shyam-sundar.S-k@....com>, <hdegoede@...hat.com>,
        <mgross@...ux.intel.com>
Subject: [PATCH -next] platform/x86: amd-pmc: Fix missing unlock on error in amd_pmc_send_cmd()

Add the missing unlock before return from function amd_pmc_send_cmd()
in the error handling case.

Fixes: 95e1b60f8dc8 ("platform/x86: amd-pmc: Fix command completion code")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/platform/x86/amd-pmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
index 680f94c7e075..663a4ca0580d 100644
--- a/drivers/platform/x86/amd-pmc.c
+++ b/drivers/platform/x86/amd-pmc.c
@@ -275,7 +275,7 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg
 				PMC_MSG_DELAY_MIN_US * RESPONSE_REGISTER_LOOP_MAX);
 	if (rc) {
 		dev_err(dev->dev, "failed to talk to SMU\n");
-		return rc;
+		goto out_unlock;
 	}
 
 	/* Write zero to response register */
-- 
2.25.1