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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Hulk Robot <hulkci@huawei.com>,
        Qinglang Miao <miaoqinglang@huawei.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10 214/530] soc: qcom: pdr: Fix error return code in pdr_register_listener
Date:   Wed, 12 May 2021 16:45:24 +0200
Message-Id: <20210512144826.875673222@linuxfoundation.org>
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From: Qinglang Miao <miaoqinglang@huawei.com>

[ Upstream commit 769738fc49bb578e05d404b481a9241d18147d86 ]

Fix to return the error code -EREMOTEIO from pdr_register_listener
rather than 0.

Fixes: fbe639b44a82 ("soc: qcom: Introduce Protection Domain Restart helpers")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20201125065034.154217-1-miaoqinglang@huawei.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/soc/qcom/pdr_interface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c
index f63135c09667..205cc96823b7 100644
--- a/drivers/soc/qcom/pdr_interface.c
+++ b/drivers/soc/qcom/pdr_interface.c
@@ -153,7 +153,7 @@ static int pdr_register_listener(struct pdr_handle *pdr,
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
 		pr_err("PDR: %s register listener failed: 0x%x\n",
 		       pds->service_path, resp.resp.error);
-		return ret;
+		return -EREMOTEIO;
 	}
 
 	pds->state = resp.curr_state;
-- 
2.30.2