Check if the format was really found.
Fixes smatch warning:
drivers/media/i2c/tc358746.c:790 tc358746_set_fmt() error: 'fmt' dereferencing possible ERR_PTR()
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
CC: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/tc358746.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/tc358746.c b/drivers/media/i2c/tc358746.c
index 566f5eaddd57..ce612a47ba84 100644
--- a/drivers/media/i2c/tc358746.c
+++ b/drivers/media/i2c/tc358746.c
@@ -784,8 +784,12 @@ static int tc358746_set_fmt(struct v4l2_subdev *sd,
sink_fmt = v4l2_subdev_get_pad_format(sd, sd_state, TC358746_SINK);
fmt = tc358746_get_format_by_code(format->pad, format->format.code);
- if (IS_ERR(fmt))
+ if (IS_ERR(fmt)) {
fmt = tc358746_get_format_by_code(format->pad, tc358746_def_fmt.code);
+ // Can't happen, but just in case...
+ if (WARN_ON(IS_ERR(fmt)))
+ return -EINVAL;
+ }
format->format.code = fmt->code;
format->format.field = V4L2_FIELD_NONE;
--
2.40.1
