mdadm/super1: It needs to specify int32 for bitmap_offset

For super1.0 bitmap offset is -16. So it needs to use int type for bitmap offset.

Fixes: 1fe2e10073 (mdadm/bitmap: locate bitmap calcuate bitmap position wrongly)
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
This commit is contained in:
Xiao Ni 2021-06-02 09:17:19 +08:00 committed by Jes Sorensen
parent 1f5d54a06d
commit f421731c7e
1 changed files with 1 additions and 1 deletions

View File

@ -2631,7 +2631,7 @@ static int locate_bitmap1(struct supertype *st, int fd, int node_num)
else
ret = -1;
offset = __le64_to_cpu(sb->super_offset) + __le32_to_cpu(sb->bitmap_offset);
offset = __le64_to_cpu(sb->super_offset) + (int32_t)__le32_to_cpu(sb->bitmap_offset);
if (node_num) {
bms = (bitmap_super_t*)(((char*)sb)+MAX_SB_SIZE);
bm_sectors_per_node = calc_bitmap_size(bms, 4096) >> 9;