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-rw-r--r--drivers/xen/privcmd-buf.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c
index de01a6d0059d..a1c61e351d3f 100644
--- a/drivers/xen/privcmd-buf.c
+++ b/drivers/xen/privcmd-buf.c
@@ -140,8 +140,7 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma)
if (!(vma->vm_flags & VM_SHARED))
return -EINVAL;
- vma_priv = kzalloc(sizeof(*vma_priv) + count * sizeof(void *),
- GFP_KERNEL);
+ vma_priv = kzalloc(struct_size(vma_priv, pages, count), GFP_KERNEL);
if (!vma_priv)
return -ENOMEM;