hinic: Use ARRAY_SIZE for nic_vf_cmd_msg_handler

fix coccinelle warning, use ARRAY_SIZE

drivers/net/ethernet/huawei/hinic/hinic_sriov.c:713:43-44: WARNING: Use ARRAY_SIZE

v1-->v2:
   remove cmd_number

v2-->v3:
   preserve the reverse christmas tree ordering of local variables

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_sriov.c b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
index 0d44af9..fd4aaf4 100644 (file)
--- a/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
@@ -708,17 +708,15 @@ static int nic_pf_mbox_handler(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
        struct hinic_hwdev *dev = hwdev;
        struct hinic_func_to_io *nic_io;
        struct hinic_pfhwdev *pfhwdev;
-       u32 i, cmd_number;
        int err = 0;
+       u32 i;
 
        if (!hwdev)
                return -EFAULT;
 
-       cmd_number = sizeof(nic_vf_cmd_msg_handler) /
-                           sizeof(struct vf_cmd_msg_handle);
        pfhwdev = container_of(dev, struct hinic_pfhwdev, hwdev);
        nic_io = &dev->func_to_io;
-       for (i = 0; i < cmd_number; i++) {
+       for (i = 0; i < ARRAY_SIZE(nic_vf_cmd_msg_handler); i++) {
                vf_msg_handle = &nic_vf_cmd_msg_handler[i];
                if (cmd == vf_msg_handle->cmd &&
                    vf_msg_handle->cmd_msg_handler) {
@@ -729,7 +727,7 @@ static int nic_pf_mbox_handler(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
                        break;
                }
        }
-       if (i == cmd_number)
+       if (i == ARRAY_SIZE(nic_vf_cmd_msg_handler))
                err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC,
                                        cmd, buf_in, in_size, buf_out,
                                        out_size, HINIC_MGMT_MSG_SYNC);