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part_block: fix handling of chained EBR's

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Fixes #3223.
This commit is contained in:
Josef Söntgen
2019-03-10 14:36:07 +01:00
committed by Christian Helmuth
parent 1c2dabc6d7
commit cb2ebd0bf7
2 changed files with 13 additions and 1 deletions
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5
repos/os/src/server/part_block/mbr.h
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@ -84,6 +84,7 @@ struct Mbr_partition_table : public Block::Partition_table
{
Partition_record *r = record;
unsigned lba = r->_lba;
unsigned last_lba = 0;
/* first logical partition number */
int nr = 5;
@ -106,7 +107,9 @@ struct Mbr_partition_table : public Block::Partition_table
* (relative form this EBR)
*/
r = &(ebr->_records[1]);
lba += ebr->_records[1]._lba;
lba += ebr->_records[1]._lba - last_lba;
last_lba = ebr->_records[1]._lba;
} while (r->valid());
}