Unverified Commit 2ea0d9b9 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11968 drm/amdgpu: fix mc_data out-of-bounds read warning 

Merge Pull Request from: @ci-robot 
 
PR sync from: He Yujie <coka.heyujie@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/FZQNA6S7UNBMPZSQXN5ROFV2FSBD2Y3Q/ 
 
https://gitee.com/src-openeuler/kernel/issues/IARV9S 
 
Link:https://gitee.com/openeuler/kernel/pulls/11968

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 983693ee 84a982ad

drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c

+2 −0
Original line number Diff line number Diff line
@@ -1641,6 +1641,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, 
										(u32)le32_to_cpu(*((u32 *)reg_data + j));

									j++;

								} else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {

									if (i == 0)

										continue;

									reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =

										reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];

								}