kernel/timer: change row_lvl to unsigned

Use signed int as array index is unsecure.
2014-10-14 16:00:42 +08:00 · 2014-10-14 16:00:42 +08:00 · 8615e2c8e5
parent a4bb77d097
commit 8615e2c8e5
1 changed files with 1 additions and 1 deletions
--- a/src/timer.c
+++ b/src/timer.c
@ -293,7 +293,7 @@ RTM_EXPORT(rt_timer_delete);
 */
 rt_err_t rt_timer_start(rt_timer_t timer)
 {
-    int row_lvl;
+    unsigned int row_lvl;
    rt_list_t *timer_list;
    register rt_base_t level;
    rt_list_t *row_head[RT_TIMER_SKIP_LIST_LEVEL];