Re: [PATCH mptcp-next v5 05/11] mptcp: add bpf set scheduled helper

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

Hi Geliang,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on mptcp/export]
[cannot apply to bpf-next/master bpf/master linus/master v5.18 next-20220601]
[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/intel-lab-lkp/linux/commits/Geliang-Tang/BPF-packet-scheduler/20220601-144812
base:   https://github.com/multipath-tcp/mptcp_net-next.git export
config: x86_64-randconfig-a006 (https://download.01.org/0day-ci/archive/20220601/202206011710.y7OIrPON-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/4bfb6a3d6d5ea1744a301d97642ff0077eb280f6
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Geliang-Tang/BPF-packet-scheduler/20220601-144812
        git checkout 4bfb6a3d6d5ea1744a301d97642ff0077eb280f6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/mptcp/

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

All warnings (new ones prefixed by >>):

>> net/mptcp/bpf.c:165:6: warning: no previous prototype for 'bpf_mptcp_subflow_set_scheduled' [-Wmissing-prototypes]
     165 | void bpf_mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/bpf_mptcp_subflow_set_scheduled +165 net/mptcp/bpf.c

   164	
 > 165	void bpf_mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow)
   166	{
   167		WRITE_ONCE(subflow->scheduled, true);
   168	}
   169	EXPORT_SYMBOL(bpf_mptcp_subflow_set_scheduled);
   170	

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