add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/xen/privcmd-buf.c
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@@ -140,8 +140,7 @@
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 	if (!(vma->vm_flags & VM_SHARED))
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 		return -EINVAL;
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-	vma_priv = kzalloc(sizeof(*vma_priv) + count * sizeof(void *),
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-			   GFP_KERNEL);
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+	vma_priv = kzalloc(struct_size(vma_priv, pages, count), GFP_KERNEL);
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 	if (!vma_priv)
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 		return -ENOMEM;
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146
 
..
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@@ -166,12 +165,8 @@
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 	if (vma_priv->n_pages != count)
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 		ret = -ENOMEM;
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 	else
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-		for (i = 0; i < vma_priv->n_pages; i++) {
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-			ret = vm_insert_page(vma, vma->vm_start + i * PAGE_SIZE,
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-					     vma_priv->pages[i]);
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-			if (ret)
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-				break;
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-		}
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+		ret = vm_map_pages_zero(vma, vma_priv->pages,
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+						vma_priv->n_pages);
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 	if (ret)
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 		privcmd_buf_vmapriv_free(vma_priv);