Commit 43aedbf4 authored by Stanley.Yang's avatar Stanley.Yang Committed by Alex Deucher
Browse files

drm/amdgpu: Add checking mc_vram_size 



Do not compare injection address with mc_vram_size
if mc_vram_size is zero.

Signed-off-by: default avatarStanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: default avatarTao Zhou <tao.zhou1@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 38298ce6

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

+2 −1
Original line number Diff line number Diff line
@@ -489,7 +489,8 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, 
		ret = amdgpu_ras_feature_enable(adev, &data.head, 1);

		break;

	case 2:

		if ((data.inject.address >= adev->gmc.mc_vram_size) ||

		if ((data.inject.address >= adev->gmc.mc_vram_size &&

		    adev->gmc.mc_vram_size) ||

		    (data.inject.address >= RAS_UMC_INJECT_ADDR_LIMIT)) {

			dev_warn(adev->dev, "RAS WARN: input address "

					"0x%llx is invalid.",