fs/nfs/fscache.c:58:51: sparse: sparse: incorrect type in argument 3 (different base types)

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1db333d9a51f3459fba1bcaa564d95befe79f0b3
commit: a6b5a28eb56c3f4988f7ff5290b954ba296e309a nfs: Convert to new fscache volume/cookie API
date:   9 weeks ago
config: nios2-randconfig-s032-20220310 (https://download.01.org/0day-ci/archive/20220311/202203111109.QWVRdvWg-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a6b5a28eb56c3f4988f7ff5290b954ba296e309a
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a6b5a28eb56c3f4988f7ff5290b954ba296e309a
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/remoteproc/ fs/nfs/

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


sparse warnings: (new ones prefixed by >>)
>> fs/nfs/fscache.c:58:51: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long long x @@     got restricted __be16 const [usertype] sin_port @@
   fs/nfs/fscache.c:58:51: sparse:     expected unsigned long long x
   fs/nfs/fscache.c:58:51: sparse:     got restricted __be16 const [usertype] sin_port
>> fs/nfs/fscache.c:59:61: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long long x @@     got restricted __be32 const [usertype] s_addr @@
   fs/nfs/fscache.c:59:61: sparse:     expected unsigned long long x
   fs/nfs/fscache.c:59:61: sparse:     got restricted __be32 const [usertype] s_addr
>> fs/nfs/fscache.c:64:52: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long long x @@     got restricted __be16 const [usertype] sin6_port @@
   fs/nfs/fscache.c:64:52: sparse:     expected unsigned long long x
   fs/nfs/fscache.c:64:52: sparse:     got restricted __be16 const [usertype] sin6_port
>> fs/nfs/fscache.c:65:73: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long long x @@     got restricted __be32 const @@
   fs/nfs/fscache.c:65:73: sparse:     expected unsigned long long x
   fs/nfs/fscache.c:65:73: sparse:     got restricted __be32 const
   fs/nfs/fscache.c:66:73: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long long x @@     got restricted __be32 const @@
   fs/nfs/fscache.c:66:73: sparse:     expected unsigned long long x
   fs/nfs/fscache.c:66:73: sparse:     got restricted __be32 const
   fs/nfs/fscache.c:67:73: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long long x @@     got restricted __be32 const @@
   fs/nfs/fscache.c:67:73: sparse:     expected unsigned long long x
   fs/nfs/fscache.c:67:73: sparse:     got restricted __be32 const
   fs/nfs/fscache.c:68:73: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected unsigned long long x @@     got restricted __be32 const @@
   fs/nfs/fscache.c:68:73: sparse:     expected unsigned long long x
   fs/nfs/fscache.c:68:73: sparse:     got restricted __be32 const

vim +58 fs/nfs/fscache.c

    37	
    38	/*
    39	 * Get the per-client index cookie for an NFS client if the appropriate mount
    40	 * flag was set
    41	 * - We always try and get an index cookie for the client, but get filehandle
    42	 *   cookies on a per-superblock basis, depending on the mount flags
    43	 */
    44	static bool nfs_fscache_get_client_key(struct nfs_client *clp,
    45					       char *key, int *_len)
    46	{
    47		const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) &clp->cl_addr;
    48		const struct sockaddr_in *sin = (struct sockaddr_in *) &clp->cl_addr;
    49	
    50		*_len += snprintf(key + *_len, NFS_MAX_KEY_LEN - *_len,
    51				  ",%u.%u,%x",
    52				  clp->rpc_ops->version,
    53				  clp->cl_minorversion,
    54				  clp->cl_addr.ss_family);
    55	
    56		switch (clp->cl_addr.ss_family) {
    57		case AF_INET:
  > 58			if (!nfs_append_int(key, _len, sin->sin_port) ||
  > 59			    !nfs_append_int(key, _len, sin->sin_addr.s_addr))
    60				return false;
    61			return true;
    62	
    63		case AF_INET6:
  > 64			if (!nfs_append_int(key, _len, sin6->sin6_port) ||
  > 65			    !nfs_append_int(key, _len, sin6->sin6_addr.s6_addr32[0]) ||
    66			    !nfs_append_int(key, _len, sin6->sin6_addr.s6_addr32[1]) ||
    67			    !nfs_append_int(key, _len, sin6->sin6_addr.s6_addr32[2]) ||
    68			    !nfs_append_int(key, _len, sin6->sin6_addr.s6_addr32[3]))
    69				return false;
    70			return true;
    71	
    72		default:
    73			printk(KERN_WARNING "NFS: Unknown network family '%d'\n",
    74			       clp->cl_addr.ss_family);
    75			return false;
    76		}
    77	}
    78	

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