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Date:   Fri, 15 Oct 2021 18:09:15 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     yong.zhi@...el.com
Cc:     sakari.ailus@...ux.intel.com, bingbu.cao@...el.com,
        djrscally@...il.com, tian.shu.qiu@...el.com, mchehab@...nel.org,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] media: ipu3-cio2: Fix missing error code in cio2_bridge_connect_sensor()

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'ret'.

Eliminate the follow smatch warning:

drivers/media/pci/intel/ipu3/cio2-bridge.c:242 cio2_bridge_connect_sensor()
warn: missing error code 'ret'

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Fixes: 803abec64ef9 ("media: ipu3-cio2: Add cio2-bridge to ipu3-cio2 driver")
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/media/pci/intel/ipu3/cio2-bridge.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.c b/drivers/media/pci/intel/ipu3/cio2-bridge.c
index 67c467d3..9e364ba 100644
--- a/drivers/media/pci/intel/ipu3/cio2-bridge.c
+++ b/drivers/media/pci/intel/ipu3/cio2-bridge.c
@@ -238,8 +238,10 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg,
 			goto err_put_adev;
 
 		status = acpi_get_physical_device_location(adev->handle, &sensor->pld);
-		if (ACPI_FAILURE(status))
+		if (ACPI_FAILURE(status)) {
+			ret = -EINVAL;
 			goto err_put_adev;
+		}
 
 		if (sensor->ssdb.lanes > CIO2_MAX_LANES) {
 			dev_err(&adev->dev,
-- 
1.8.3.1

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