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sysupdate: Use sector size for partition size calculations

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This commit is contained in:
Michael A Cassaniti
2023-08-15 09:17:12 +02:00
committed by Daan De Meyer
parent 4b17f5c378
commit eeee486159
2 changed files with 184 additions and 132 deletions
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src/sysupdate/sysupdate-partition.c
+6 -4
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@@ -28,6 +28,7 @@ int read_partition_info(
const char *label;
struct fdisk_partition *p;
uint64_t start, size, flags;
unsigned long ssz;
sd_id128_t ptid, id;
GptPartitionType type;
size_t partno;
@@ -54,12 +55,13 @@ int read_partition_info(
partno = fdisk_partition_get_partno(p);
start = fdisk_partition_get_start(p);
assert(start <= UINT64_MAX / 512U);
start *= 512U;
ssz = fdisk_get_sector_size(c);
assert(start <= UINT64_MAX / ssz);
start *= ssz;
size = fdisk_partition_get_size(p);
assert(size <= UINT64_MAX / 512U);
size *= 512U;
assert(size <= UINT64_MAX / ssz);
size *= ssz;
label = fdisk_partition_get_name(p);
if (!label)