linux-kernel - net/sunrpc/clnt.c:3332:9: sparse: sparse: cast removes address space '_

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Message-ID: <202512110700.lQgkw0Ep-lkp@intel.com>
Date: Thu, 11 Dec 2025 07:14:33 +0800
From: kernel test robot <lkp@...el.com>
To: Dai Ngo <dai.ngo@...cle.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Anna Schumaker <anna.schumaker@...cle.com>
Subject: net/sunrpc/clnt.c:3332:9: sparse: sparse: cast removes address space
 '__rcu' of expression

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0048fbb4011ec55c32d3148b2cda56433f273375
commit: bb504321b96550f9a351920e169de141a3f4c6a1 SUNRPC: display total RPC tasks for RPC client
date:   11 months ago
config: x86_64-randconfig-121-20251210 (https://download.01.org/0day-ci/archive/20251211/202512110700.lQgkw0Ep-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512110700.lQgkw0Ep-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512110700.lQgkw0Ep-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> net/sunrpc/clnt.c:3332:9: sparse: sparse: cast removes address space '__rcu' of expression

vim +/__rcu +3332 net/sunrpc/clnt.c

  3328	
  3329	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
  3330	static void rpc_show_header(struct rpc_clnt *clnt)
  3331	{
> 3332		printk(KERN_INFO "clnt[%pISpc] RPC tasks[%d]\n",
  3333		       (struct sockaddr *)&clnt->cl_xprt->addr,
  3334		       atomic_read(&clnt->cl_task_count));
  3335		printk(KERN_INFO "-pid- flgs status -client- --rqstp- "
  3336			"-timeout ---ops--\n");
  3337	}
  3338	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki