4.19-stable review patch. If anyone has any objections, please let me know.
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From: Chen Ni nichen@iscas.ac.cn
[ Upstream commit 4caf6d93d9f2c11d6441c64e1c549c445fa322ed ]
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 nichen@iscas.ac.cn Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org --- 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 669615fff6a0..0fc7951640e2 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -431,8 +431,11 @@ static int camss_of_parse_endpoint_node(struct device *dev, struct v4l2_fwnode_bus_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;