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Subject: media: ov2680: Clear the 'ret' variable on success Author: Fabio Estevam festevam@denx.de Date: Thu Mar 28 19:44:12 2024 -0300
Since commit 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint property verification") even when the correct 'link-frequencies' property is passed in the devicetree, the driver fails to probe:
ov2680 1-0036: probe with driver ov2680 failed with error -22
The reason is that the variable 'ret' may contain the -EINVAL value from a previous assignment:
ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency", &rate);
Fix the problem by clearing 'ret' on the successful path.
Tested on imx7s-warp board with the following devicetree:
port { ov2680_to_mipi: endpoint { remote-endpoint = <&mipi_from_sensor>; clock-lanes = <0>; data-lanes = <1>; link-frequencies = /bits/ 64 <330000000>; }; };
Cc: stable@vger.kernel.org Fixes: 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint property verification") Suggested-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Fabio Estevam festevam@denx.de Reviewed-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Sakari Ailus sakari.ailus@linux.intel.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl
drivers/media/i2c/ov2680.c | 1 + 1 file changed, 1 insertion(+)
---
diff --git a/drivers/media/i2c/ov2680.c b/drivers/media/i2c/ov2680.c index 39d321e2b7f9..3e3b7c2b492c 100644 --- a/drivers/media/i2c/ov2680.c +++ b/drivers/media/i2c/ov2680.c @@ -1135,6 +1135,7 @@ static int ov2680_parse_dt(struct ov2680_dev *sensor) goto out_free_bus_cfg; }
+ ret = 0; out_free_bus_cfg: v4l2_fwnode_endpoint_free(&bus_cfg); return ret;