[pali:cifs 10/20] fs/smb/client/reparse.c:422:48: sparse: sparse: incorrect type in assignment (different base types)

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/pali/linux.git cifs
head:   f36b8c5bb788de2feea99660389db8e290cb36c5
commit: 65b590a114d82083b7dd4df1ef39791906441813 [10/20] cifs: Add support for creating NFS-style symlinks
config: x86_64-randconfig-122-20241117 (https://download.01.org/0day-ci/archive/20241201/202412010530.bPsafPIv-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241201/202412010530.bPsafPIv-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/202412010530.bPsafPIv-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   fs/smb/client/reparse.c:175:25: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] @@     got int @@
   fs/smb/client/reparse.c:175:25: sparse:     expected restricted __le16 [usertype]
   fs/smb/client/reparse.c:175:25: sparse:     got int
   fs/smb/client/reparse.c:176:35: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] @@     got int @@
   fs/smb/client/reparse.c:176:35: sparse:     expected restricted __le16 [usertype]
   fs/smb/client/reparse.c:176:35: sparse:     got int
   fs/smb/client/reparse.c:177:25: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le16 [usertype] @@     got int @@
   fs/smb/client/reparse.c:177:25: sparse:     expected restricted __le16 [usertype]
   fs/smb/client/reparse.c:177:25: sparse:     got int
>> fs/smb/client/reparse.c:422:48: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] @@     got unsigned int @@
   fs/smb/client/reparse.c:422:48: sparse:     expected restricted __le32 [usertype]
   fs/smb/client/reparse.c:422:48: sparse:     got unsigned int
   fs/smb/client/reparse.c:423:48: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] @@     got unsigned int @@
   fs/smb/client/reparse.c:423:48: sparse:     expected restricted __le32 [usertype]
   fs/smb/client/reparse.c:423:48: sparse:     got unsigned int
   fs/smb/client/reparse.c:1002:45: sparse: sparse: incorrect type in argument 4 (different base types) @@     expected unsigned short [usertype] *pwcs @@     got restricted __le16 [usertype] *[assigned] symname_utf16 @@
   fs/smb/client/reparse.c:1002:45: sparse:     expected unsigned short [usertype] *pwcs
   fs/smb/client/reparse.c:1002:45: sparse:     got restricted __le16 [usertype] *[assigned] symname_utf16
   fs/smb/client/reparse.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
   include/linux/page-flags.h:237:46: sparse: sparse: self-comparison always evaluates to false
   include/linux/page-flags.h:237:46: sparse: sparse: self-comparison always evaluates to false

vim +422 fs/smb/client/reparse.c

   406	
   407	static int nfs_set_reparse_buf(struct reparse_posix_data *buf,
   408				       mode_t mode, dev_t dev,
   409				       __le16 *symname_utf16,
   410				       int symname_utf16_len,
   411				       struct kvec *iov)
   412	{
   413		u64 type;
   414		u16 len, dlen;
   415	
   416		len = sizeof(*buf);
   417	
   418		switch ((type = reparse_mode_nfs_type(mode))) {
   419		case NFS_SPECFILE_BLK:
   420		case NFS_SPECFILE_CHR:
   421			dlen = 2 * sizeof(__le32);
 > 422			((__le32 *)buf->DataBuffer)[0] = MAJOR(dev);
   423			((__le32 *)buf->DataBuffer)[1] = MINOR(dev);
   424			break;
   425		case NFS_SPECFILE_LNK:
   426			dlen = symname_utf16_len;
   427			memcpy(buf->DataBuffer, symname_utf16, symname_utf16_len);
   428			break;
   429		case NFS_SPECFILE_FIFO:
   430		case NFS_SPECFILE_SOCK:
   431			dlen = 0;
   432			break;
   433		default:
   434			return -EOPNOTSUPP;
   435		}
   436	
   437		buf->ReparseTag = cpu_to_le32(IO_REPARSE_TAG_NFS);
   438		buf->Reserved = 0;
   439		buf->InodeType = cpu_to_le64(type);
   440		buf->ReparseDataLength = cpu_to_le16(len + dlen -
   441						     sizeof(struct reparse_data_buffer));
   442		iov->iov_base = buf;
   443		iov->iov_len = len + dlen;
   444		return 0;
   445	}
   446	

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