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Subject[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)
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
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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