evdev: remove unreachable code and add exception handling code for aux_data_list
authorSung-Jin Park <sj76.park@samsung.com>
Tue, 30 May 2017 06:53:19 +0000 (15:53 +0900)
committerDuna Oh <duna.oh@samsung.com>
Mon, 7 Feb 2022 16:06:16 +0000 (01:06 +0900)
Change-Id: I7e2a936cece97d7a8ecce90fa261976514e35371
Signed-off-by: Sung-Jin Park <sj76.park@samsung.com>
src/evdev-fallback.c

index 018642855d56dcde9a4d145714d0893e8b108a07..c9e682757d6e51cc2e163b41d361e9b4b3580418 100644 (file)
@@ -551,9 +551,10 @@ 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;