8:33 p.m.
Hi Miao-chen,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on bluetooth-next/master]
[also build test WARNING on net-next/master sparc-next/master net/master next-20200611]
[cannot apply to bluetooth/master v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url:
https://github.com/0day-ci/linux/commits/Miao-chen-Chou/Bluetooth-Add-def...
base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git
master
config: m68k-randconfig-s031-20200612 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-250-g42323db3-dirty
# save the attached .config to linux build tree
make W=1 C=1 ARCH=m68k CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
net/bluetooth/mgmt.c:3599:29: sparse: sparse: restricted __le16 degrades to integer
> net/bluetooth/mgmt.c:4009:46: sparse: sparse: incorrect type in
argument 2 (different base types) @@ expected unsigned short [usertype] handle @@
got restricted __le16 [usertype] monitor_handle @@
> net/bluetooth/mgmt.c:4009:46: sparse: expected unsigned short [usertype] handle
> net/bluetooth/mgmt.c:4009:46: sparse: got restricted __le16 [usertype]
monitor_handle
> net/bluetooth/mgmt.c:4018:29: sparse: sparse: cast from restricted __le16
> net/bluetooth/mgmt.c:4018:29: sparse: sparse: incorrect type in argument 1 (different
base types) @@ expected unsigned short [usertype] val @@ got restricted __le16
[usertype] monitor_handle @@
> net/bluetooth/mgmt.c:4018:29: sparse: expected unsigned short [usertype] val
net/bluetooth/mgmt.c:4018:29: sparse: got restricted __le16 [usertype]
monitor_handle
> net/bluetooth/mgmt.c:4018:29: sparse: sparse: cast from
restricted __le16
> net/bluetooth/mgmt.c:4018:29: sparse: sparse: cast from restricted __le16
vim +4009 net/bluetooth/mgmt.c
3997
3998 static int remove_adv_monitor(struct sock *sk, struct hci_dev *hdev,
3999 void *data, u16 len)
4000 {
4001 struct mgmt_cp_remove_adv_monitor *cp = data;
4002 struct mgmt_rp_remove_adv_monitor rp;
4003 int err;
4004
4005 BT_DBG("request for %s", hdev->name);
4006
4007 hci_dev_lock(hdev);
4008
4009 err = hci_remove_adv_monitor(hdev, cp->monitor_handle);
4010 if (err == -ENOENT) {
4011 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADV_MONITOR,
4012 MGMT_STATUS_INVALID_INDEX);
4013 goto unlock;
4014 }
4015
4016 hci_dev_unlock(hdev);
4017
4018 rp.monitor_handle = cpu_to_le16(cp->monitor_handle);
4019
4020 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_ADV_MONITOR,
4021 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
4022
4023 unlock:
4024 hci_dev_unlock(hdev);
4025 return err;
4026 }
4027
---
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