Re: [PATCH] ebpf: fix parameter naming confusing

kernel test robot
2020-07-16T15:19:15Z

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Hi YangYuxi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]
[also build test ERROR on bpf/master net/master ipvs/master net-next/master v5.8-rc5 next-20200716]
[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/0day-ci/linux/commits/YangYuxi/ebpf-fix-parameter-naming-confusing/20200716-214501
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: x86_64-rhel-7.6-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64

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

All errors (new ones prefixed by >>):

kernel/bpf/syscall.c: In function 'bpf_prog_get_ok':
>> kernel/bpf/syscall.c:1887:7: error: 'attach_type' undeclared (first use in this function); did you mean 'stack_type'?
1887 | if (!attach_type)
| ^~~~~~~~~~~
| stack_type
kernel/bpf/syscall.c:1887:7: note: each undeclared identifier is reported only once for each function it appears in

vim +1887 kernel/bpf/syscall.c

b16d9aa4c2b90a Martin KaFai Lau 2017-06-05 1882
040ee69226f8a9 Al Viro 2017-12-02 1883 bool bpf_prog_get_ok(struct bpf_prog *prog,
10eb063762081a YangYuxi 2020-07-16 1884 enum bpf_prog_type *prog_type, bool attach_drv)
248f346ffe9508 Jakub Kicinski 2017-11-03 1885 {
288b3de55aace8 Jakub Kicinski 2017-11-20 1886 /* not an attachment, just a refcount inc, always allow */
288b3de55aace8 Jakub Kicinski 2017-11-20 @1887 if (!attach_type)
288b3de55aace8 Jakub Kicinski 2017-11-20 1888 return true;
248f346ffe9508 Jakub Kicinski 2017-11-03 1889
10eb063762081a YangYuxi 2020-07-16 1890 if (prog->type != *prog_type)
248f346ffe9508 Jakub Kicinski 2017-11-03 1891 return false;
288b3de55aace8 Jakub Kicinski 2017-11-20 1892 if (bpf_prog_is_dev_bound(prog->aux) && !attach_drv)
248f346ffe9508 Jakub Kicinski 2017-11-03 1893 return false;
248f346ffe9508 Jakub Kicinski 2017-11-03 1894
248f346ffe9508 Jakub Kicinski 2017-11-03 1895 return true;
248f346ffe9508 Jakub Kicinski 2017-11-03 1896 }
248f346ffe9508 Jakub Kicinski 2017-11-03 1897

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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