@@ -20,7 +20,8 @@ find_sensor() {
bus=$(grep "$sensor_name" /sys/class/video4linux/v4l-subdev*/name | cut -d ' ' -f 2)
if [[ -z $bus ]]; then
- return
+ echo "Sensor '$sensor_name' not found." >&2
+ exit 1
fi
echo "$sensor_name $bus"
@@ -36,8 +37,8 @@ find_media_device() {
done
if [[ -z $mdev ]] ; then
- echo "IPU3 media device not found." >&2
- exit 1
+ echo "IPU3 media device not found." >&2
+ exit 1
fi
echo $mdev
@@ -170,13 +171,8 @@ fi
sensor_name=$1
-sensor=$(find_sensor $sensor_name)
-if [[ -z $sensor ]] ; then
- echo "Sensor '$sensor_name' not found." >&2
- exit 1
-fi
-
-mdev=$(find_media_device)
+sensor=$(find_sensor $sensor_name) || exit
+mdev=$(find_media_device) || exit
mediactl="media-ctl -d $mdev"
parse_pipeline $sensor
@@ -23,8 +23,8 @@ find_media_device() {
done
if [[ -z $mdev ]] ; then
- echo "IPU3 media device not found." >&2
- exit 1
+ echo "IPU3 media device not found." >&2
+ exit 1
fi
echo $mdev
@@ -173,7 +173,7 @@ fi
out_size=${out_size:-$in_size}
vf_size=${vf_size:-$in_size}
-mdev=$(find_media_device)
+mdev=$(find_media_device) || exit
mediactl="media-ctl -d $mdev"
echo "Using device $mdev"
Calling exit from a function only exits from the function, it doesn't abort the whole script. Propagate the errors to stop operation when the sensor or media device can't be found. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- utils/ipu3/ipu3-capture.sh | 16 ++++++---------- utils/ipu3/ipu3-process.sh | 6 +++--- 2 files changed, 9 insertions(+), 13 deletions(-)