dji_motor.c 中 sender_enable_flag 可能出现数组越界问题 #2

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sph · 2024-07-11T16:47:27+08:00

sph commented

2024-07-11 16:47:27 +08:00

static uint8_t sender_enable_flag[6] = {0};

if (motor_id < 4)
{
motor_send_num = motor_id;
motor_grouping = config->can_handle == &hcan1 ? 6 : 8;
}
else
{
motor_send_num = motor_id - 4;
motor_grouping = config->can_handle == &hcan1 ? 7 : 9;
}
sender_enable_flag[motor_grouping] = 1; // 只要有电机注册到这个分组,置为1;在发送函数中会通过此标志判断是否有电机注册
sender_enable_flag定义长度为6，motor_grouping 赋值可能大于5

static uint8_t sender_enable_flag[6] = {0}; if (motor_id < 4) { motor_send_num = motor_id; motor_grouping = config->can_handle == &hcan1 ? 6 : 8; } else { motor_send_num = motor_id - 4; motor_grouping = config->can_handle == &hcan1 ? 7 : 9; } sender_enable_flag[motor_grouping] = 1; // 只要有电机注册到这个分组,置为1;在发送函数中会通过此标志判断是否有电机注册 sender_enable_flag定义长度为6，motor_grouping 赋值可能大于5

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Reference: HFUT_Firmament_EC/basic_framework#2