diff options
Diffstat (limited to 'v4l2-apps/libv4l')
| -rw-r--r-- | v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c b/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c index ec3750408..da2fbcdce 100644 --- a/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c +++ b/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c @@ -487,6 +487,9 @@ int v4lcontrol_controls_changed(struct v4lcontrol_data *data) { int res; + if (!data->controls) + return 0; + res = memcmp(data->shm_values, data->old_values, V4LCONTROL_COUNT * sizeof(unsigned int)); |