[Components][Finsh] Add shell getchar received error process.
@@ -541,8 +541,8 @@ void finsh_thread_entry(void *parameter)
}
}
- /* handle CR key */
- if (ch == '\0') continue;
+ /* received null or error */
+ if (ch == '\0' || ch == 0xFF) continue;
/* handle tab key */
else if (ch == '\t')
{
