[djwong-xfs:repair-hard-problems 111/112] fs/xfs/scrub/parent_repair.c:81:43: sparse: sparse: Using plain integer as NULL pointer

[djwong-xfs:repair-hard-problems 111/112] fs/xfs/scrub/parent_repair.c:81:43: sparse: sparse: Using plain integer as NULL pointer

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git repair-hard-problems
head:   7e5a6c6fa70827c8a21264bdb9481e9f978d451b
commit: c603fa3588644e4ebbfb7faf90144bea1eae1a2c [111/112] xfs: teach online directory repair to scan for the parent
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-187-gbff9b106-dirty
        git checkout c603fa3588644e4ebbfb7faf90144bea1eae1a2c
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

>> fs/xfs/scrub/parent_repair.c:81:43: sparse: sparse: Using plain integer as NULL pointer

vim +81 fs/xfs/scrub/parent_repair.c

    58	
    59	/*
    60	 * If this directory entry points to the directory we're rebuilding, then the
    61	 * directory we're scanning is the parent.  Call our function.
    62	 *
    63	 * Note that the vfs readdir functions squash the nonzero codes that we return
    64	 * here into a "short" directory read, so the actual error codes are tracked
    65	 * and returned separately.
    66	 */
    67	STATIC int
    68	xrep_parents_scan_dentry(
    69		struct dir_context	*dc,
    70		const char		*name,
    71		int			namelen,
    72		loff_t			pos,
    73		u64			ino,
    74		unsigned		type)
    75	{
    76		struct xrep_parents_scan *rps;
    77	
    78		rps = container_of(dc, struct xrep_parents_scan, dc);
    79	
    80		if (ino == rps->target_ino) {
  > 81			struct xfs_name	xname = { 0 };
    82	
    83			xname.name = name;
    84			xname.len = namelen;
    85			rps->scan_error = rps->fn(rps->scan_dir, &xname, type,
    86						  rps->data);
    87			if (rps->scan_error)
    88				return 1;
    89		}
    90	
    91		return 0;
    92	}
    93	

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