Unverified Commit 46064348 authored Dec 17, 2024 by openeuler-ci-bot Committed by Gitee Dec 17, 2024

!14161 drm/rockchip: vop: Fix a dereferenced before check warning

Merge Pull Request from: @ci-robot 
 
PR sync from: Xiaomeng Zhang <zhangxiaomeng13@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/NTED32RKOMDVMDIJ73H6ANOGEWG3MUJH/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB956I 
 
Link:https://gitee.com/openeuler/kernel/pulls/14161

 

Reviewed-by: Ye Weihua <yeweihua4@huawei.com>
Signed-off-by: Zhang Peng <zhangpeng362@huawei.com>

parents 6a6a6975 5e1ca6e3

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -1076,10 +1076,10 @@ static int vop_plane_atomic_async_check(struct drm_plane *plane,
		if (!plane->state->fb)
		return -EINVAL;

		if (state)
		crtc_state = drm_atomic_get_existing_crtc_state(state,
		new_plane_state->crtc);
		else /* Special case for asynchronous cursor updates. */
		crtc_state = drm_atomic_get_existing_crtc_state(state, new_plane_state->crtc);

		/* Special case for asynchronous cursor updates. */
		if (!crtc_state)
		crtc_state = plane->crtc->state;

		return drm_atomic_helper_check_plane_state(plane->state, crtc_state,