Unverified Commit 9d848d19 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15732 drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Cheng Yu <serein.chengyu@huawei.com>
https://mailweb.openeuler.org/archives/list/kernel@openeuler.org/message/PNDVMNQNROYFDSO6MYQJWSEVDKPNMLF6/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBP1K1 
 
Link:https://gitee.com/openeuler/kernel/pulls/15732

 

Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents 2faee0b5 45401662

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

+1 −1
Original line number Diff line number Diff line
@@ -1595,10 +1595,10 @@ static int vop_bind(struct device *dev, struct device *master, void *data) 
	vop_win_init(vop);



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	vop->len = resource_size(res);

	vop->regs = devm_ioremap_resource(dev, res);

	if (IS_ERR(vop->regs))

		return PTR_ERR(vop->regs);

	vop->len = resource_size(res);



	vop->regsbak = devm_kzalloc(dev, vop->len, GFP_KERNEL);

	if (!vop->regsbak)