Unverified Commit d371207f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9682 drm: vc4: Fix possible null pointer dereference 

Merge Pull Request from: @ci-robot 
 
PR sync from: Ze Zuo <zuoze1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ZVK7OBRKX5GV3TQVBWZ3SWMFSEGQE5R5/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA6SGI 
 
Link:https://gitee.com/openeuler/kernel/pulls/9682

 

Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 73e3864f 14353e62

drivers/gpu/drm/vc4/vc4_hdmi.c

+2 −0
Original line number Diff line number Diff line
@@ -1253,6 +1253,8 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi) 
		index = 1;



	addr = of_get_address(dev->of_node, index, NULL, NULL);

	if (!addr)

		return -EINVAL;



	vc4_hdmi->audio.dma_data.addr = be32_to_cpup(addr) + mai_data->offset;

	vc4_hdmi->audio.dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;