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-rw-r--r--block/genhd.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 24654e1d83e6..97887e59f3b2 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1281,7 +1281,6 @@ int disk_expand_part_tbl(struct gendisk *disk, int partno)
struct disk_part_tbl *new_ptbl;
int len = old_ptbl ? old_ptbl->len : 0;
int i, target;
- size_t size;
/*
* check for int overflow, since we can get here from blkpg_ioctl()
@@ -1298,8 +1297,8 @@ int disk_expand_part_tbl(struct gendisk *disk, int partno)
if (target <= len)
return 0;
- size = sizeof(*new_ptbl) + target * sizeof(new_ptbl->part[0]);
- new_ptbl = kzalloc_node(size, GFP_KERNEL, disk->node_id);
+ new_ptbl = kzalloc_node(struct_size(new_ptbl, part, target), GFP_KERNEL,
+ disk->node_id);
if (!new_ptbl)
return -ENOMEM;