[PATCH 5.13 038/104] platform/x86: amd-pmc: Fix missing unlock on error in amd_pmc_send_cmd()

Greg Kroah-Hartman
2021-08-02T14:05:46Z

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit 95edbbf78c3bdbd1daa921dd4a2e61c751e469ba ]

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@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210715074327.1966083-1-yangyingliang@huawei.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 b1d6175a13b2..ca95c2a52e26 100644
--- a/drivers/platform/x86/amd-pmc.c
+++ b/drivers/platform/x86/amd-pmc.c
@@ -140,7 +140,7 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set)
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 */
--
2.30.2