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drm/rockchip: vop2: use struct_size() in vop2_bind

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Use the overflow-protected struct_size() helper macro to compute the
allocation size of the vop2 data structure.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Sandy Huang <hjc@rock-chips.com>
Cc: Heiko Stübner <heiko@sntech.de>
Cc: David Airlie <airlied@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230223013533.1707706-1-jacob.e.keller@intel.com
This commit is contained in:
Jacob Keller 2023-02-22 17:35:33 -08:00 committed by Heiko Stuebner
parent d13b10ec66
commit 3b4db36c4c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@ -2655,7 +2655,7 @@ static int vop2_bind(struct device *dev, struct device *master, void *data)
return -ENODEV;
/* Allocate vop2 struct and its vop2_win array */
alloc_size = sizeof(*vop2) + sizeof(*vop2->win) * vop2_data->win_size;
alloc_size = struct_size(vop2, win, vop2_data->win_size);
vop2 = devm_kzalloc(dev, alloc_size, GFP_KERNEL);
if (!vop2)
return -ENOMEM;