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SubjectRe: [PATCH v8 1/3] bluetooth: msft: Handle MSFT Monitor Device Event
Hi Manish,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bluetooth-next/master]
[also build test ERROR on next-20211215]
[cannot apply to bluetooth/master v5.16-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Manish-Mandlik/bluetooth-msft-Handle-MSFT-Monitor-Device-Event/20211216-124056
base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master
config: arc-randconfig-r043-20211216 (https://download.01.org/0day-ci/archive/20211216/202112161736.WMgjxclO-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/db0604d7b0d0308963bdc1465b486be11d5fdcb6
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Manish-Mandlik/bluetooth-msft-Handle-MSFT-Monitor-Device-Event/20211216-124056
git checkout db0604d7b0d0308963bdc1465b486be11d5fdcb6
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash net/bluetooth/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

In file included from include/linux/wait.h:7,
from include/linux/poll.h:8,
from include/net/bluetooth/bluetooth.h:28,
from net/bluetooth/msft.c:6:
net/bluetooth/msft.c: In function 'msft_le_cancel_monitor_advertisement_cb':
>> net/bluetooth/msft.c:306:42: error: 'dev' undeclared (first use in this function); did you mean 'hdev'?
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~
include/linux/list.h:717:14: note: in definition of macro 'list_for_each_entry_safe'
717 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~
net/bluetooth/msft.c:306:42: note: each undeclared identifier is reported only once for each function it appears in
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~
include/linux/list.h:717:14: note: in definition of macro 'list_for_each_entry_safe'
717 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~
In file included from arch/arc/include/asm/cache.h:28,
from include/linux/cache.h:6,
from include/linux/time.h:5,
from include/linux/ktime.h:24,
from include/linux/poll.h:7,
from include/net/bluetooth/bluetooth.h:28,
from net/bluetooth/msft.c:6:
include/linux/compiler_types.h:276:27: error: expression in static assertion is not an integer
276 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:19:9: note: in expansion of macro 'static_assert'
19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:19:23: note: in expansion of macro '__same_type'
19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:513:9: note: in expansion of macro 'container_of'
513 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:524:9: note: in expansion of macro 'list_entry'
524 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
include/linux/list.h:717:20: note: in expansion of macro 'list_first_entry'
717 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~~~~~~~~~~~~~
net/bluetooth/msft.c:306:17: note: in expansion of macro 'list_for_each_entry_safe'
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/wait.h:7,
from include/linux/poll.h:8,
from include/net/bluetooth/bluetooth.h:28,
from net/bluetooth/msft.c:6:
>> net/bluetooth/msft.c:306:47: error: 'tmp' undeclared (first use in this function); did you mean 'tm'?
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~
include/linux/list.h:718:17: note: in definition of macro 'list_for_each_entry_safe'
718 | n = list_next_entry(pos, member); \
| ^
In file included from arch/arc/include/asm/cache.h:28,
from include/linux/cache.h:6,
from include/linux/time.h:5,
from include/linux/ktime.h:24,
from include/linux/poll.h:7,
from include/net/bluetooth/bluetooth.h:28,
from net/bluetooth/msft.c:6:
include/linux/compiler_types.h:276:27: error: expression in static assertion is not an integer
276 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:19:9: note: in expansion of macro 'static_assert'
19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:19:23: note: in expansion of macro '__same_type'
19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:513:9: note: in expansion of macro 'container_of'
513 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:557:9: note: in expansion of macro 'list_entry'
557 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:718:21: note: in expansion of macro 'list_next_entry'
718 | n = list_next_entry(pos, member); \
| ^~~~~~~~~~~~~~~
net/bluetooth/msft.c:306:17: note: in expansion of macro 'list_for_each_entry_safe'
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/wait.h:7,
from include/linux/poll.h:8,
from include/net/bluetooth/bluetooth.h:28,
from net/bluetooth/msft.c:6:
include/linux/list.h:717:64: warning: left-hand operand of comma expression has no effect [-Wunused-value]
717 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^
net/bluetooth/msft.c:306:17: note: in expansion of macro 'list_for_each_entry_safe'
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/arc/include/asm/cache.h:28,
from include/linux/cache.h:6,
from include/linux/time.h:5,
from include/linux/ktime.h:24,
from include/linux/poll.h:7,
from include/net/bluetooth/bluetooth.h:28,
from net/bluetooth/msft.c:6:
include/linux/compiler_types.h:276:27: error: expression in static assertion is not an integer
276 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:19:9: note: in expansion of macro 'static_assert'
19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:19:23: note: in expansion of macro '__same_type'
19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:513:9: note: in expansion of macro 'container_of'
513 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:557:9: note: in expansion of macro 'list_entry'
557 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:720:27: note: in expansion of macro 'list_next_entry'
720 | pos = n, n = list_next_entry(n, member))
| ^~~~~~~~~~~~~~~
net/bluetooth/msft.c:306:17: note: in expansion of macro 'list_for_each_entry_safe'
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/wait.h:7,
from include/linux/poll.h:8,
from include/net/bluetooth/bluetooth.h:28,
from net/bluetooth/msft.c:6:
include/linux/list.h:720:21: warning: left-hand operand of comma expression has no effect [-Wunused-value]
720 | pos = n, n = list_next_entry(n, member))
| ^
net/bluetooth/msft.c:306:17: note: in expansion of macro 'list_for_each_entry_safe'
306 | list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
| ^~~~~~~~~~~~~~~~~~~~~~~~


vim +306 net/bluetooth/msft.c

265
266 static void msft_le_cancel_monitor_advertisement_cb(struct hci_dev *hdev,
267 u8 status, u16 opcode,
268 struct sk_buff *skb)
269 {
270 struct msft_cp_le_cancel_monitor_advertisement *cp;
271 struct msft_rp_le_cancel_monitor_advertisement *rp;
272 struct adv_monitor *monitor;
273 struct msft_monitor_advertisement_handle_data *handle_data;
274 struct msft_data *msft = hdev->msft_data;
275 int err;
276 bool pending;
277
278 if (status)
279 goto done;
280
281 rp = (struct msft_rp_le_cancel_monitor_advertisement *)skb->data;
282 if (skb->len < sizeof(*rp)) {
283 status = HCI_ERROR_UNSPECIFIED;
284 goto done;
285 }
286
287 hci_dev_lock(hdev);
288
289 cp = hci_sent_cmd_data(hdev, hdev->msft_opcode);
290 handle_data = msft_find_handle_data(hdev, cp->handle, false);
291
292 if (handle_data) {
293 monitor = idr_find(&hdev->adv_monitors_idr,
294 handle_data->mgmt_handle);
295
296 if (monitor && monitor->state == ADV_MONITOR_STATE_OFFLOADED)
297 monitor->state = ADV_MONITOR_STATE_REGISTERED;
298
299 /* Do not free the monitor if it is being removed due to
300 * suspend. It will be re-monitored on resume.
301 */
302 if (monitor && !msft->suspending)
303 hci_free_adv_monitor(hdev, monitor);
304
305 /* Clear any monitored devices by this Adv Monitor */
> 306 list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices,
307 list) {
308 if (dev->handle == handle_data->mgmt_handle) {
309 list_del(&dev->list);
310 kfree(dev);
311 }
312 }
313
314 list_del(&handle_data->list);
315 kfree(handle_data);
316 }
317
318 /* If remove all monitors is required, we need to continue the process
319 * here because the earlier it was paused when waiting for the
320 * response from controller.
321 */
322 if (msft->pending_remove_handle == 0) {
323 pending = hci_remove_all_adv_monitor(hdev, &err);
324 if (pending) {
325 hci_dev_unlock(hdev);
326 return;
327 }
328
329 if (err)
330 status = HCI_ERROR_UNSPECIFIED;
331 }
332
333 hci_dev_unlock(hdev);
334
335 done:
336 if (!msft->suspending)
337 hci_remove_adv_monitor_complete(hdev, status);
338 }
339

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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