HID: roccat: prevent an out of bounds read in kovaplus_profile_activated()
[muen/linux.git] / drivers / hid / hid-roccat-kovaplus.c
index 43617fb..317c9c2 100644 (file)
@@ -37,6 +37,8 @@ static uint kovaplus_convert_event_cpi(uint value)
 static void kovaplus_profile_activated(struct kovaplus_device *kovaplus,
                uint new_profile_index)
 {
+       if (new_profile_index >= ARRAY_SIZE(kovaplus->profile_settings))
+               return;
        kovaplus->actual_profile = new_profile_index;
        kovaplus->actual_cpi = kovaplus->profile_settings[new_profile_index].cpi_startup_level;
        kovaplus->actual_x_sensitivity = kovaplus->profile_settings[new_profile_index].sensitivity_x;