evdev: remove unreachable code and add exception handling code for aux_data_list

Change-Id: I7e2a936cece97d7a8ecce90fa261976514e35371
Signed-off-by: Sung-Jin Park <sj76.park@samsung.com>

diff --git a/src/evdev-fallback.c b/src/evdev-fallback.c
index a8e225d58fd1c7c35e60271ac30e926f1baf00ba..356c263257e0bde7ea3cdf248ac9375c8bc053a8 100644 (file)
--- a/src/evdev-fallback.c
+++ b/src/evdev-fallback.c
@@ -559,9 +559,10 @@ fallback_process_touch_extra_aux_data(struct fallback_dispatch *dispatch,
        struct list *current_axis_list;
 
        if (!dispatch->mt.aux_data_list) return false;
+       if (dispatch->mt.slot < 0 || dispatch->mt.slot >= dispatch->mt.slots_len)
+               return false;
 
        current_axis_list = &dispatch->mt.aux_data_list[dispatch->mt.slot];
-       if (!current_axis_list) return false;
 
        if (list_empty(current_axis_list)) return false;