Unverified Commit 38f5d593 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9795 drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zucheng <zhengzucheng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6D4Y4QDEFDIGQHZOTOTDVDZ3BDBWMSQ4/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA6SEW 
 
Link:https://gitee.com/openeuler/kernel/pulls/9795

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 20a14652 4f54607c

drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c

+3 −0
Original line number Diff line number Diff line
@@ -1978,6 +1978,9 @@ static void cdns_mhdp_atomic_enable(struct drm_bridge *bridge, 
	mhdp_state = to_cdns_mhdp_bridge_state(new_state);



	mhdp_state->current_mode = drm_mode_duplicate(bridge->dev, mode);

	if (!mhdp_state->current_mode)

		return;



	drm_mode_set_name(mhdp_state->current_mode);



	dev_dbg(mhdp->dev, "%s: Enabling mode %s\n", __func__, mode->name);