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-rw-r--r--backends/evdev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/backends/evdev.c b/backends/evdev.c
index 659dc77..193b28b 100644
--- a/backends/evdev.c
+++ b/backends/evdev.c
@@ -208,6 +208,9 @@ static int evdev_configure_instance(instance* inst, char* option, char* value) {
data->relative_axis[data->relative_axes].max *= -1;
data->relative_axis[data->relative_axes].inverted = 1;
}
+ else if(data->relative_axis[data->relative_axes].max == 0){
+ fprintf(stderr, "Relative axis configuration for %s.%s has invalid range\n", inst->name, option + 8);
+ }
data->relative_axis[data->relative_axes].current = strtoul(next_token, NULL, 0);
if(data->relative_axis[data->relative_axes].code < 0){
fprintf(stderr, "Failed to configure relative axis extents for %s.%s\n", inst->name, option + 8);