linux-kernel - [cel:nfsd-courteous-server 39/39] fs/nfsd/nfs4state.c:2460:60: warning: format specifies type 'long' but the argument has type 'u64' (aka 'unsigned long long')

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Date:   Thu, 10 Mar 2022 15:12:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dai Ngo <dai.ngo@...cle.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Chuck Lever <chuck.lever@...cle.com>
Subject: [cel:nfsd-courteous-server 39/39] fs/nfsd/nfs4state.c:2460:60:
 warning: format specifies type 'long' but the argument has type 'u64' (aka
 'unsigned long long')

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux nfsd-courteous-server
head:   25cf03b50a8a38217a4e1a9b178af4d9afa2b9ea
commit: 25cf03b50a8a38217a4e1a9b178af4d9afa2b9ea [39/39] NFSD: Show state of courtesy clients in client info
config: arm-colibri_pxa270_defconfig (https://download.01.org/0day-ci/archive/20220310/202203101509.pWJbkMAO-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git/commit/?id=25cf03b50a8a38217a4e1a9b178af4d9afa2b9ea
        git remote add cel git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
        git fetch --no-tags cel nfsd-courteous-server
        git checkout 25cf03b50a8a38217a4e1a9b178af4d9afa2b9ea
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash fs/nfsd/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> fs/nfsd/nfs4state.c:2460:60: warning: format specifies type 'long' but the argument has type 'u64' (aka 'unsigned long long') [-Wformat]
           seq_printf(m, "time since last renew: %02ld:%02d:%02d\n", hrs, mins, secs);
                                                 ~~~~~               ^~~
                                                 %02llu
   1 warning generated.


vim +2460 fs/nfsd/nfs4state.c

  2437	
  2438	static int client_info_show(struct seq_file *m, void *v)
  2439	{
  2440		struct inode *inode = m->private;
  2441		struct nfs4_client *clp;
  2442		u64 clid, hrs;
  2443		u32 mins, secs;
  2444	
  2445		clp = get_nfsdfs_clp(inode);
  2446		if (!clp)
  2447			return -ENXIO;
  2448		memcpy(&clid, &clp->cl_clientid, sizeof(clid));
  2449		seq_printf(m, "clientid: 0x%llx\n", clid);
  2450		seq_printf(m, "address: \"%pISpc\"\n", (struct sockaddr *)&clp->cl_addr);
  2451		if (test_bit(NFSD4_CLIENT_CONFIRMED, &clp->cl_flags))
  2452			seq_puts(m, "status: confirmed\n");
  2453		else
  2454			seq_puts(m, "status: unconfirmed\n");
  2455		seq_printf(m, "courtesy client: %s\n",
  2456			test_bit(NFSD4_CLIENT_COURTESY, &clp->cl_flags) ? "yes" : "no");
  2457		hrs = div_u64_rem(ktime_get_boottime_seconds() - clp->cl_time,
  2458					3600, &secs);
  2459		mins = div_u64_rem((u64)secs, 60, &secs);
> 2460		seq_printf(m, "time since last renew: %02ld:%02d:%02d\n", hrs, mins, secs);
  2461		seq_printf(m, "name: ");
  2462		seq_quote_mem(m, clp->cl_name.data, clp->cl_name.len);
  2463		seq_printf(m, "\nminor version: %d\n", clp->cl_minorversion);
  2464		if (clp->cl_nii_domain.data) {
  2465			seq_printf(m, "Implementation domain: ");
  2466			seq_quote_mem(m, clp->cl_nii_domain.data,
  2467						clp->cl_nii_domain.len);
  2468			seq_printf(m, "\nImplementation name: ");
  2469			seq_quote_mem(m, clp->cl_nii_name.data, clp->cl_nii_name.len);
  2470			seq_printf(m, "\nImplementation time: [%lld, %ld]\n",
  2471				clp->cl_nii_time.tv_sec, clp->cl_nii_time.tv_nsec);
  2472		}
  2473		seq_printf(m, "callback state: %s\n", cb_state2str(clp->cl_cb_state));
  2474		seq_printf(m, "callback address: %pISpc\n", &clp->cl_cb_conn.cb_addr);
  2475		drop_client(clp);
  2476	
  2477		return 0;
  2478	}
  2479	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org