Commit 4f88b4cc authored Jun 17, 2020 by Gustavo A. R. Silva Committed by Roland Scheidegger Aug 11, 2020

drm/vmwgfx: Use struct_size() helper



Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes.

This code was detected with the help of Coccinelle and, audited and
fixed manually.

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>

parent dc100bc8

drivers/gpu/drm/vmwgfx/vmwgfx_surface.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1969,7 +1969,7 @@ static int vmw_surface_dirty_alloc(struct vmw_resource *res)
		num_mip = 1;

		num_subres = num_layers * num_mip;
		dirty_size = sizeof(dirty) + num_subres sizeof(dirty->boxes[0]);
		dirty_size = struct_size(dirty, boxes, num_subres);
		acc_size = ttm_round_pot(dirty_size);
		ret = ttm_mem_global_alloc(vmw_mem_glob(res->dev_priv),
		acc_size, &ctx);

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