[trondmy-nfs:testing 3/3] net/sunrpc/debugfs.c:78:21: sparse: sparse: cast removes address space '__rcu' of expression

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

tree:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git testing
head:   12e66773269367f89700972348d41910369b60f4
commit: 12e66773269367f89700972348d41910369b60f4 [3/3] SUNRPC: display total RPC tasks for RPC client
config: sh-randconfig-r111-20241225 (https://download.01.org/0day-ci/archive/20241226/202412260244.W95nZtZp-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241226/202412260244.W95nZtZp-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/202412260244.W95nZtZp-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> net/sunrpc/debugfs.c:78:21: sparse: sparse: cast removes address space '__rcu' of expression
--
>> net/sunrpc/clnt.c:3332:9: sparse: sparse: cast removes address space '__rcu' of expression
   net/sunrpc/clnt.c: note: in included file (through include/linux/module.h):
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
   include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true

vim +/__rcu +78 net/sunrpc/debugfs.c

    70	
    71	static void
    72	tasks_stop(struct seq_file *f, void *v)
    73		__releases(&clnt->cl_lock)
    74	{
    75		struct rpc_clnt *clnt = f->private;
    76		spin_unlock(&clnt->cl_lock);
    77		seq_printf(f, "clnt[%pISpc] RPC tasks[%d]\n",
  > 78			   (struct sockaddr *)&clnt->cl_xprt->addr,
    79			   atomic_read(&clnt->cl_task_count));
    80	}
    81	

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