[PATCH 2/2] partitions: dos: change first partition number from 1 to 0

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Traditionally barebox starts partition numbers at 0. This was changed
in 8f48e6366c to start at 1. This was done to make the parted numbering
consistent to the Linux tool. This breaks boot scripts though which
assume 0 to be the first partition, so change it back.

Fixes: 8f48e6366c ("partitions: dos: implement partition manipulation support")
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
 common/partitions/dos.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/partitions/dos.c b/common/partitions/dos.c
index 47b5764124..bec5ee60bc 100644
--- a/common/partitions/dos.c
+++ b/common/partitions/dos.c
@@ -127,7 +127,7 @@ static void dos_extended_partition(struct block_device *blk, struct dos_partitio
 	uint8_t *buf = malloc(SECTOR_SIZE);
 	uint32_t ebr_sector = partition->first_sec;
 	struct partition_entry *table = (struct partition_entry *)&buf[0x1be];
-	unsigned partno = 5;
+	unsigned partno = 4;
 	struct dos_partition *dpart;
 	struct partition *pentry;
 
@@ -237,7 +237,7 @@ static struct partition_desc *dos_partition(void *buf, struct block_device *blk)
 		pentry->first_sec = first_sec;
 		pentry->size = get_unaligned_le32(&table[i].partition_size);
 		pentry->dos_partition_type = table[i].type;
-		pentry->num = i + 1;
+		pentry->num = i;
 
 		sprintf(pentry->partuuid, "%08x-%02d", signature, i + 1);
 		dpd->signature = signature;
-- 
2.39.2





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