linux-kernel - [PATCH 4.9 25/61] Input: synaptics-rmi4 - fix error return code in rmi_driver

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Message-Id: <20200601174016.474501315@linuxfoundation.org>
Date:   Mon,  1 Jun 2020 19:53:32 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wei Yongjun <weiyongjun1@...wei.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 25/61] Input: synaptics-rmi4 - fix error return code in rmi_driver_probe()

From: Wei Yongjun <weiyongjun1@...wei.com>

[ Upstream commit 5caab2da63207d6d631007f592f5219459e3454d ]

Fix to return a negative error code from the input_register_device()
error handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Link: https://lore.kernel.org/r/20200428134948.78343-1-weiyongjun1@huawei.com
Cc: stable@...r.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/input/rmi4/rmi_driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index 65038dcc7613..677edbf870a7 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -991,7 +991,8 @@ static int rmi_driver_probe(struct device *dev)
 	if (data->input) {
 		rmi_driver_set_input_name(rmi_dev, data->input);
 		if (!rmi_dev->xport->input) {
-			if (input_register_device(data->input)) {
+			retval = input_register_device(data->input);
+			if (retval) {
 				dev_err(dev, "%s: Failed to register input device.\n",
 					__func__);
 				goto err_destroy_functions;
-- 
2.25.1