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Fix sign extension of bitmap_offset in super1.c 

fbdef49811 incorrectly tried to fix sign
extension of the bitmap offset. However mdinfo->bitmap_offset is a u32
and needs to be converted to a 32 bit signed integer before the sign
extension.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Jes Sorensen 2012-04-26 17:12:56 +02:00 committed by NeilBrown
parent b51702b827
commit 34a13953fa
1 changed files with 2 additions and 2 deletions
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4
super1.c
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@ -620,7 +620,7 @@ static void getinfo_super1(struct supertype *st, struct mdinfo *info, char *map)
info->data_offset = __le64_to_cpu(sb->data_offset);
info->component_size = __le64_to_cpu(sb->size);
if (sb->feature_map & __le32_to_cpu(MD_FEATURE_BITMAP_OFFSET))
info->bitmap_offset = (long)__le32_to_cpu(sb->bitmap_offset);
info->bitmap_offset = (int32_t)__le32_to_cpu(sb->bitmap_offset);
info->disk.major = 0;
info->disk.minor = 0;
@ -1651,7 +1651,7 @@ add_internal_bitmap1(struct supertype *st,
offset = -room;
}
sb->bitmap_offset = (long)__cpu_to_le32(offset);
sb->bitmap_offset = (int32_t)__cpu_to_le32(offset);
sb->feature_map = __cpu_to_le32(__le32_to_cpu(sb->feature_map)
| MD_FEATURE_BITMAP_OFFSET);