netdev - Re: [PATCH v5 2/5] Bluetooth: aosp: surface AOSP quality report through mgmt

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Message-ID: <202205260445.F8Xkowrk-lkp@intel.com>
Date:   Thu, 26 May 2022 04:15:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Joseph Hwang <josephsih@...omium.org>,
        linux-bluetooth@...r.kernel.org, marcel@...tmann.org,
        luiz.dentz@...il.com, pali@...nel.org
Cc:     kbuild-all@...ts.01.org, josephsih@...gle.com,
        chromeos-bluetooth-upstreaming@...omium.org,
        Joseph Hwang <josephsih@...omium.org>,
        Archie Pusaka <apusaka@...omium.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH v5 2/5] Bluetooth: aosp: surface AOSP quality report
 through mgmt

Hi Joseph,

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 net/master v5.18 next-20220525]
[cannot apply to bluetooth/master]
[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/intel-lab-lkp/linux/commits/Joseph-Hwang/Bluetooth-mgmt-add-MGMT_OP_SET_QUALITY_REPORT-for-quality-report/20220525-184722
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master
config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20220526/202205260445.F8Xkowrk-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-14-g5a0004b5-dirty
        # https://github.com/intel-lab-lkp/linux/commit/0121eca73c0352b9ac4bc289609b218c0d0fb69e
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Joseph-Hwang/Bluetooth-mgmt-add-MGMT_OP_SET_QUALITY_REPORT-for-quality-report/20220525-184722
        git checkout 0121eca73c0352b9ac4bc289609b218c0d0fb69e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash net/bluetooth/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)
   net/bluetooth/hci_event.c:338:15: sparse: sparse: restricted __le16 degrades to integer
>> net/bluetooth/hci_event.c:4275:3: sparse: sparse: symbol 'evt_prefixes' was not declared. Should it be static?
   net/bluetooth/hci_event.c: note: in included file (through include/net/bluetooth/hci_core.h):
   include/net/bluetooth/hci.h:2494:47: sparse: sparse: array of flexible structures
   include/net/bluetooth/hci.h:2580:43: sparse: sparse: array of flexible structures

vim +/evt_prefixes +4275 net/bluetooth/hci_event.c

  4262	
  4263	/* Every distinct vendor specification must have a well-defined vendor
  4264	 * event prefix to determine if a vendor event meets the specification.
  4265	 * Some vendor prefixes are fixed values while some other vendor prefixes
  4266	 * are only available at run time.
  4267	 */
  4268	struct ext_vendor_event_prefix {
  4269		/* Some vendor prefixes are variable length. For convenience,
  4270		 * the prefix in struct ext_vendor_prefix is in little endian.
  4271		 */
  4272		struct ext_vendor_prefix *
  4273			(*get_ext_vendor_prefix)(struct hci_dev *hdev);
  4274		void (*vendor_func)(struct hci_dev *hdev, struct sk_buff *skb);
> 4275	} evt_prefixes[] = {
  4276		{ aosp_get_ext_prefix, aosp_vendor_evt },
  4277		{ msft_get_ext_prefix, msft_vendor_evt },
  4278	
  4279		/* end with a null entry */
  4280		{},
  4281	};
  4282	

-- 
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https://01.org/lkp