[t-kristo-pm:usi-5.16-v5-bpf 15/19] drivers/hid/hid-bpf.c:87:52: sparse: sparse: incorrect type in argument 2 (different address spaces)

[t-kristo-pm:usi-5.16-v5-bpf 15/19] drivers/hid/hid-bpf.c:87:52: sparse: sparse: incorrect type in argument 2 (different address spaces)

[kernel test robot]

tree:   https://github.com/t-kristo/linux-pm usi-5.16-v5-bpf
head:   82a2c7cbd9682f2664179cd7e01647e46272c316
commit: 8f11b49b2cc9d2bf0e94f43218c8e9de47fd960f [15/19] HID: bpf: change hid_bpf_prog_attach/detach_rdesc to be more generic
config: arm64-randconfig-s031-20211216 (https://download.01.org/0day-ci/archive/20211217/202112170956.AkNj0dHk-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/t-kristo/linux-pm/commit/8f11b49b2cc9d2bf0e94f43218c8e9de47fd960f
        git remote add t-kristo-pm https://github.com/t-kristo/linux-pm
        git fetch --no-tags t-kristo-pm usi-5.16-v5-bpf
        git checkout 8f11b49b2cc9d2bf0e94f43218c8e9de47fd960f
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/hid/ drivers/pinctrl/

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


sparse warnings: (new ones prefixed by >>)
   drivers/hid/hid-bpf.c:38:21: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:38:21: sparse:    struct bpf_prog_array [noderef] __rcu *
   drivers/hid/hid-bpf.c:38:21: sparse:    struct bpf_prog_array *
   drivers/hid/hid-bpf.c:48:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:48:9: sparse:    struct bpf_prog_array [noderef] __rcu *
   drivers/hid/hid-bpf.c:48:9: sparse:    struct bpf_prog_array *
   drivers/hid/hid-bpf.c:68:20: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:68:20: sparse:    struct bpf_prog [noderef] __rcu *
   drivers/hid/hid-bpf.c:68:20: sparse:    struct bpf_prog *
   drivers/hid/hid-bpf.c:68:20: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:68:20: sparse:    struct bpf_prog [noderef] __rcu *
   drivers/hid/hid-bpf.c:68:20: sparse:    struct bpf_prog *
   drivers/hid/hid-bpf.c:83:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct bpf_prog_array **array @@     got struct bpf_prog_array [noderef] __rcu ** @@
   drivers/hid/hid-bpf.c:83:59: sparse:     expected struct bpf_prog_array **array
   drivers/hid/hid-bpf.c:83:59: sparse:     got struct bpf_prog_array [noderef] __rcu **
   drivers/hid/hid-bpf.c:85:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct bpf_prog_array **array @@     got struct bpf_prog_array [noderef] __rcu ** @@
   drivers/hid/hid-bpf.c:85:59: sparse:     expected struct bpf_prog_array **array
   drivers/hid/hid-bpf.c:85:59: sparse:     got struct bpf_prog_array [noderef] __rcu **
>> drivers/hid/hid-bpf.c:87:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct bpf_prog **target @@     got struct bpf_prog [noderef] __rcu ** @@
   drivers/hid/hid-bpf.c:87:52: sparse:     expected struct bpf_prog **target
   drivers/hid/hid-bpf.c:87:52: sparse:     got struct bpf_prog [noderef] __rcu **
   drivers/hid/hid-bpf.c:109:21: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:109:21: sparse:    struct bpf_prog_array [noderef] __rcu *
   drivers/hid/hid-bpf.c:109:21: sparse:    struct bpf_prog_array *
   drivers/hid/hid-bpf.c:119:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:119:9: sparse:    struct bpf_prog_array [noderef] __rcu *
   drivers/hid/hid-bpf.c:119:9: sparse:    struct bpf_prog_array *
   drivers/hid/hid-bpf.c:138:20: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:138:20: sparse:    struct bpf_prog [noderef] __rcu *
   drivers/hid/hid-bpf.c:138:20: sparse:    struct bpf_prog *
   drivers/hid/hid-bpf.c:138:20: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:138:20: sparse:    struct bpf_prog [noderef] __rcu *
   drivers/hid/hid-bpf.c:138:20: sparse:    struct bpf_prog *
   drivers/hid/hid-bpf.c:154:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct bpf_prog_array **array @@     got struct bpf_prog_array [noderef] __rcu ** @@
   drivers/hid/hid-bpf.c:154:59: sparse:     expected struct bpf_prog_array **array
   drivers/hid/hid-bpf.c:154:59: sparse:     got struct bpf_prog_array [noderef] __rcu **
   drivers/hid/hid-bpf.c:156:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct bpf_prog_array **array @@     got struct bpf_prog_array [noderef] __rcu ** @@
   drivers/hid/hid-bpf.c:156:59: sparse:     expected struct bpf_prog_array **array
   drivers/hid/hid-bpf.c:156:59: sparse:     got struct bpf_prog_array [noderef] __rcu **
   drivers/hid/hid-bpf.c:158:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
   drivers/hid/hid-bpf.c:158:26: sparse:    struct bpf_prog *
   drivers/hid/hid-bpf.c:158:26: sparse:    struct bpf_prog [noderef] __rcu *
   drivers/hid/hid-bpf.c:221:27: sparse: sparse: symbol 'hid_prog_ops' was not declared. Should it be static?
   drivers/hid/hid-bpf.c:236:23: sparse: sparse: symbol 'hid_bpf_add_report' was not declared. Should it be static?
   drivers/hid/hid-bpf.c:264:6: sparse: sparse: symbol 'hid_bpf_free_reports' was not declared. Should it be static?
   drivers/hid/hid-bpf.c:622:31: sparse: sparse: symbol 'hid_verifier_ops' was not declared. Should it be static?
   drivers/hid/hid-bpf.c:816:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct bpf_prog const *prog @@     got struct bpf_prog [noderef] __rcu *rdesc_fixup_prog @@
   drivers/hid/hid-bpf.c:868:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct bpf_prog *prog @@     got struct bpf_prog [noderef] __rcu *rdesc_fixup_prog @@

vim +87 drivers/hid/hid-bpf.c

    76	
    77	static int hid_bpf_prog_attach(struct hid_device *hdev, const union bpf_attr *attr, struct bpf_prog *prog)
    78	{
    79		int ret;
    80	
    81		switch (attr->attach_type) {
    82		case BPF_HID_RAW_EVENT:
    83			return __hid_bpf_prog_attach_array(hdev, &hdev->bpf.event_progs, prog);
    84		case BPF_HID_KERNEL_EVENT:
    85			return __hid_bpf_prog_attach_array(hdev, &hdev->bpf.kevent_progs, prog);
    86		case BPF_HID_RDESC_FIXUP:
  > 87			ret = __hid_bpf_prog_attach(hdev, &hdev->bpf.rdesc_fixup_prog, prog);
    88			if (ret)
    89				return ret;
    90	
    91			return hid_reconnect(hdev);
    92		}
    93	
    94		return -EINVAL;
    95	}
    96	

---
0-DAY CI Kernel Test Service, Intel Corporation
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