netdev - Re: linux-next: build failure after merge of the bpf-next tree

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Message-ID: <202406221626.JK0Nnkxy-lkp@intel.com>
Date: Sat, 22 Jun 2024 16:28:23 +0800
From: kernel test robot <lkp@...el.com>
To: Mark Brown <broonie@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
	Alexei Starovoitov <ast@...nel.org>,
	Andrii Nakryiko <andrii@...nel.org>, bpf <bpf@...r.kernel.org>,
	Networking <netdev@...r.kernel.org>,
	Benjamin Tissoires <bentiss@...nel.org>,
	Jiri Kosina <jikos@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, Kui-Feng Lee <thinker.li@...il.com>,
	Martin KaFai Lau <martin.lau@...nel.org>,
	linux-input@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the bpf-next tree

Hi Mark,

kernel test robot noticed the following build errors:

[auto build test ERROR on hid/for-next]
[cannot apply to linus/master v6.10-rc4 next-20240621]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Mark-Brown/linux-next-build-failure-after-merge-of-the-bpf-next-tree/20240618-022240
base:   https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next
patch link:    https://lore.kernel.org/r/ZnB9X1Jj6c04ufC0%40sirena.org.uk
patch subject: linux-next: build failure after merge of the bpf-next tree
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240622/202406221626.JK0Nnkxy-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240622/202406221626.JK0Nnkxy-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/202406221626.JK0Nnkxy-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/hid/bpf/hid_bpf_struct_ops.c:280:16: error: initialization of 'int (*)(void *)' from incompatible pointer type 'int (*)(void *, struct bpf_link *)' [-Werror=incompatible-pointer-types]
     280 |         .reg = hid_bpf_reg,
         |                ^~~~~~~~~~~
   drivers/hid/bpf/hid_bpf_struct_ops.c:280:16: note: (near initialization for 'bpf_hid_bpf_ops.reg')
>> drivers/hid/bpf/hid_bpf_struct_ops.c:281:18: error: initialization of 'void (*)(void *)' from incompatible pointer type 'void (*)(void *, struct bpf_link *)' [-Werror=incompatible-pointer-types]
     281 |         .unreg = hid_bpf_unreg,
         |                  ^~~~~~~~~~~~~
   drivers/hid/bpf/hid_bpf_struct_ops.c:281:18: note: (near initialization for 'bpf_hid_bpf_ops.unreg')
   cc1: some warnings being treated as errors


vim +280 drivers/hid/bpf/hid_bpf_struct_ops.c

ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  274  
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  275  static struct bpf_struct_ops bpf_hid_bpf_ops = {
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  276  	.verifier_ops = &hid_bpf_verifier_ops,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  277  	.init = hid_bpf_ops_init,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  278  	.check_member = hid_bpf_ops_check_member,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  279  	.init_member = hid_bpf_ops_init_member,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 @280  	.reg = hid_bpf_reg,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 @281  	.unreg = hid_bpf_unreg,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  282  	.name = "hid_bpf_ops",
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  283  	.cfi_stubs = &__bpf_hid_bpf_ops,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  284  	.owner = THIS_MODULE,
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  285  };
ebc0d8093e8c97 Benjamin Tissoires 2024-06-08  286  

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