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Message-ID: <202410251955.HSEjo06V-lkp@intel.com>
Date: Fri, 25 Oct 2024 20:20:06 +0800
From: kernel test robot <lkp@...el.com>
To: "D. Wythe" <alibuda@...ux.alibaba.com>, kgraul@...ux.ibm.com,
	wenjia@...ux.ibm.com, jaka@...ux.ibm.com, ast@...nel.org,
	daniel@...earbox.net, andrii@...nel.org, martin.lau@...ux.dev,
	pabeni@...hat.com, song@...nel.org, sdf@...gle.com,
	haoluo@...gle.com, yhs@...com, edumazet@...gle.com,
	john.fastabend@...il.com, kpsingh@...nel.org, jolsa@...nel.org,
	guwen@...ux.alibaba.com
Cc: oe-kbuild-all@...ts.linux.dev, kuba@...nel.org, davem@...emloft.net,
	netdev@...r.kernel.org, linux-s390@...r.kernel.org,
	linux-rdma@...r.kernel.org, bpf@...r.kernel.org,
	dtcccc@...ux.alibaba.com
Subject: Re: [PATCH bpf-next 2/4] bpf: allow to access bpf_prog during
 bpf_struct_access

Hi Wythe,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/D-Wythe/bpf-export-necessary-sympols-for-modules/20241024-104903
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/1729737768-124596-3-git-send-email-alibuda%40linux.alibaba.com
patch subject: [PATCH bpf-next 2/4] bpf: allow to access bpf_prog during bpf_struct_access
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20241025/202410251955.HSEjo06V-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410251955.HSEjo06V-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410251955.HSEjo06V-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/hid/bpf/hid_bpf_struct_ops.c:146:30: error: initialization of 'int (*)(struct bpf_verifier_log *, const struct bpf_reg_state *, const struct bpf_prog *, int,  int)' from incompatible pointer type 'int (*)(struct bpf_verifier_log *, const struct bpf_reg_state *, int,  int)' [-Wincompatible-pointer-types]
     146 |         .btf_struct_access = hid_bpf_ops_btf_struct_access,
         |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/hid/bpf/hid_bpf_struct_ops.c:146:30: note: (near initialization for 'hid_bpf_verifier_ops.btf_struct_access')


vim +146 drivers/hid/bpf/hid_bpf_struct_ops.c

ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  142  
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  143  static const struct bpf_verifier_ops hid_bpf_verifier_ops = {
bd0747543b3d97 Benjamin Tissoires 2024-06-08  144  	.get_func_proto = bpf_base_func_proto,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  145  	.is_valid_access = hid_bpf_ops_is_valid_access,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 @146  	.btf_struct_access = hid_bpf_ops_btf_struct_access,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  147  };
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  148  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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