Re: [PATCH] bpf: Release module BTF IDR before module unload

[kernel test robot <lkp@intel.com>]

Hi Kumar,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/net]
[also build test ERROR on bpf-next/master bpf/master linus/master v6.16-rc1 next-20260311]
[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/Kumar-Kartikeya-Dwivedi/bpf-Release-module-BTF-IDR-before-module-unload/20260311-211036
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net
patch link:    https://lore.kernel.org/r/20260311130321.1055808-1-memxor%40gmail.com
patch subject: [PATCH] bpf: Release module BTF IDR before module unload
config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260312/202603120435.9bfX2C28-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260312/202603120435.9bfX2C28-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603120435.9bfX2C28-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/bpf/btf.c:1886:13: error: static declaration of 'btf_is_module' follows non-static declaration
    1886 | static bool btf_is_module(const struct btf *btf);
         |             ^~~~~~~~~~~~~
   In file included from include/linux/bpf.h:29,
                    from include/linux/bpf_verifier.h:7,
                    from kernel/bpf/btf.c:19:
   include/linux/btf.h:219:6: note: previous declaration of 'btf_is_module' with type 'bool(const struct btf *)' {aka '_Bool(const struct btf *)'}
     219 | bool btf_is_module(const struct btf *btf);
         |      ^~~~~~~~~~~~~


vim +/btf_is_module +1886 kernel/bpf/btf.c

  1885	
> 1886	static bool btf_is_module(const struct btf *btf);
  1887	

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