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drm/rockchip: vop2: Add error check to devm_regmap_init_mmio

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devm_regmap_init_mmio() may return an invalid pointer in case of an error.
This patch adds the corresponding IS_ERR check to vop2->map.

Signed-off-by: Alfredo Cruz <alfredo.carlon@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230322224411.15612-1-alfredo.carlon@gmail.com
This commit is contained in:
Alfredo Cruz 2023-03-22 23:44:11 +01:00 committed by Heiko Stuebner
parent b5af48eedc
commit 4ab9157c7e
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@ -2679,6 +2679,8 @@ static int vop2_bind(struct device *dev, struct device *master, void *data)
vop2->len = resource_size(res);
vop2->map = devm_regmap_init_mmio(dev, vop2->regs, &vop2_regmap_config);
if (IS_ERR(vop2->map))
return PTR_ERR(vop2->map);
ret = vop2_win_init(vop2);
if (ret)