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-rw-r--r--libfdisk/src/partition.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libfdisk/src/partition.c b/libfdisk/src/partition.c
index f507f20e3..1e8c1eb32 100644
--- a/libfdisk/src/partition.c
+++ b/libfdisk/src/partition.c
@@ -733,7 +733,8 @@ int fdisk_partition_next_partno(
DBG(PART, ul_debugobj(pa, "next partno (specified=%zu)", pa->partno));
- if (pa->partno >= cxt->label->nparts_max)
+ if (pa->partno >= cxt->label->nparts_max ||
+ fdisk_is_partition_used(cxt, pa->partno))
return -ERANGE;
*n = pa->partno;
} else