[hch-block:partitions-cleanup 15/19] block/partitions/msdos.c:70:31: error: initialization from incompatible pointer type

[hch-block:partitions-cleanup 15/19] block/partitions/msdos.c:70:31: error: initialization from incompatible pointer type

[kbuild test robot]

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tree:   git://git.infradead.org/users/hch/block.git partitions-cleanup
head:   9afcbc4dac2e04e5ea9702fb4f3ad1508d7ad7b5
commit: d4f21164f4da96d8028c84105afd8b41d8923d38 [15/19] block: move struct partition out of genhd.h
config: x86_64-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
reproduce:
        git checkout d4f21164f4da96d8028c84105afd8b41d8923d38
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   block/partitions/msdos.c: In function 'aix_magic_present':
>> block/partitions/msdos.c:70:31: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     struct msods_partition *pt = (struct msdos_partition *) (p + 0x1be);
                                  ^
>> block/partitions/msdos.c:81:38: error: increment of pointer to an incomplete type 'struct msods_partition'
     for (slot = 1; slot <= 4; slot++, pt++) {
                                         ^~
>> block/partitions/msdos.c:82:9: error: dereferencing pointer to incomplete type 'struct msods_partition'
      if (pt->sys_ind == LINUX_SWAP_PARTITION ||
            ^~
>> block/partitions/msdos.c:86:26: error: passing argument 1 of 'is_extended_partition' from incompatible pointer type [-Werror=incompatible-pointer-types]
       is_extended_partition(pt))
                             ^~
   block/partitions/msdos.c:47:19: note: expected 'struct msdos_partition *' but argument is of type 'struct msods_partition *'
    static inline int is_extended_partition(struct msdos_partition *p)
                      ^~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +70 block/partitions/msdos.c

    62	
    63	/* Value is EBCDIC 'IBMA' */
    64	#define AIX_LABEL_MAGIC1	0xC9
    65	#define AIX_LABEL_MAGIC2	0xC2
    66	#define AIX_LABEL_MAGIC3	0xD4
    67	#define AIX_LABEL_MAGIC4	0xC1
    68	static int aix_magic_present(struct parsed_partitions *state, unsigned char *p)
    69	{
  > 70		struct msods_partition *pt = (struct msdos_partition *) (p + 0x1be);
    71		Sector sect;
    72		unsigned char *d;
    73		int slot, ret = 0;
    74	
    75		if (!(p[0] == AIX_LABEL_MAGIC1 &&
    76			p[1] == AIX_LABEL_MAGIC2 &&
    77			p[2] == AIX_LABEL_MAGIC3 &&
    78			p[3] == AIX_LABEL_MAGIC4))
    79			return 0;
    80		/* Assume the partition table is valid if Linux partitions exists */
  > 81		for (slot = 1; slot <= 4; slot++, pt++) {
  > 82			if (pt->sys_ind == LINUX_SWAP_PARTITION ||
    83				pt->sys_ind == LINUX_RAID_PARTITION ||
    84				pt->sys_ind == LINUX_DATA_PARTITION ||
    85				pt->sys_ind == LINUX_LVM_PARTITION ||
  > 86				is_extended_partition(pt))
    87				return 0;
    88		}
    89		d = read_part_sector(state, 7, &sect);
    90		if (d) {
    91			if (d[0] == '_' && d[1] == 'L' && d[2] == 'V' && d[3] == 'M')
    92				ret = 1;
    93			put_dev_sector(sect);
    94		}
    95		return ret;
    96	}
    97	

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

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