[dwmw2:deprecate-legacy-ip 5/6] net/core/filter.c:6087:12: warning: 'bpf_fib_set_fwd_params' defined but not used

[dwmw2:deprecate-legacy-ip 5/6] net/core/filter.c:6087:12: warning: 'bpf_fib_set_fwd_params' defined but not used

[kernel test robot]

tree:   git://git.infradead.org/users/dwmw2/linux deprecate-legacy-ip
head:   2d2acff90d1c42a747b3fed5ce9189622f49daa3
commit: 3f213df15191632a3cb32932955ee90bff8385a0 [5/6] net: Change CONFIG_INET to CONFIG_LEGACY_IP for IPv4-only code
config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20260402/202604022158.JsHHVfOH-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260402/202604022158.JsHHVfOH-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/202604022158.JsHHVfOH-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/core/filter.c:6087:12: warning: 'bpf_fib_set_fwd_params' defined but not used [-Wunused-function]
    6087 | static int bpf_fib_set_fwd_params(struct bpf_fib_lookup *params, u32 mtu)
         |            ^~~~~~~~~~~~~~~~~~~~~~


vim +/bpf_fib_set_fwd_params +6087 net/core/filter.c

12bed760a78da6 Eyal Birger            2018-04-24  6085  
adc4a85026a541 David Woodhouse        2026-04-01  6086  #if IS_ENABLED(CONFIG_INET)
31de4105f00d64 Martin KaFai Lau       2023-02-17 @6087  static int bpf_fib_set_fwd_params(struct bpf_fib_lookup *params, u32 mtu)
87f5fc7e48dd31 David Ahern            2018-05-09  6088  {
87f5fc7e48dd31 David Ahern            2018-05-09  6089  	params->h_vlan_TCI = 0;
87f5fc7e48dd31 David Ahern            2018-05-09  6090  	params->h_vlan_proto = 0;
e1850ea9bd9eca Jesper Dangaard Brouer 2021-02-09  6091  	if (mtu)
e1850ea9bd9eca Jesper Dangaard Brouer 2021-02-09  6092  		params->mtu_result = mtu; /* union with tot_len */
87f5fc7e48dd31 David Ahern            2018-05-09  6093  
4c79579b44b187 David Ahern            2018-06-26  6094  	return 0;
87f5fc7e48dd31 David Ahern            2018-05-09  6095  }
87f5fc7e48dd31 David Ahern            2018-05-09  6096  #endif
87f5fc7e48dd31 David Ahern            2018-05-09  6097  

:::::: The code at line 6087 was first introduced by commit
:::::: 31de4105f00d64570139bc5494a201b0bd57349f bpf: Add BPF_FIB_LOOKUP_SKIP_NEIGH for bpf_fib_lookup

:::::: TO: Martin KaFai Lau <martin.lau@kernel.org>
:::::: CC: Daniel Borkmann <daniel@iogearbox.net>

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