[git:media_stage/master] media: qcom: camss: Add check for v4l2_fwnode_endpoint_parse

[Hans Verkuil]

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Subject: media: qcom: camss: Add check for v4l2_fwnode_endpoint_parse
Author:  Chen Ni <nic...@iscas.ac.cn>
Date:    Fri Jun 21 09:35:22 2024 +0800

Add check for the return value of v4l2_fwnode_endpoint_parse() and
return the error if it fails in order to catch the error.

Signed-off-by: Chen Ni <nic...@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>

 drivers/media/platform/qcom/camss/camss.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

---

diff --git a/drivers/media/platform/qcom/camss/camss.c 
b/drivers/media/platform/qcom/camss/camss.c
index 1f1f44f6fbb2..51b1d3550421 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -1695,8 +1695,11 @@ static int camss_of_parse_endpoint_node(struct device 
*dev,
        struct v4l2_mbus_config_mipi_csi2 *mipi_csi2;
        struct v4l2_fwnode_endpoint vep = { { 0 } };
        unsigned int i;
+       int ret;
 
-       v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep);
+       ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep);
+       if (ret)
+               return ret;
 
        csd->interface.csiphy_id = vep.base.port;