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-rw-r--r--drivers/vhost/vhost.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 895eaa25807c..f9bce818da11 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1286,7 +1286,8 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
return -EOPNOTSUPP;
if (mem.nregions > max_mem_regions)
return -E2BIG;
- newmem = kvzalloc(size + mem.nregions * sizeof(*m->regions), GFP_KERNEL);
+ newmem = kvzalloc(struct_size(newmem, regions, mem.nregions),
+ GFP_KERNEL);
if (!newmem)
return -ENOMEM;