drm/amdgpu: fix memory leak when ras is not supported on specific ip block

free ras_if if ras is not supported
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -4440,7 +4440,8 @@ static int gfx_v9_0_ecc_late_init(void *handle)
 		r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
 		if (r)
 			goto late_fini;
-	}
+	} else
+		kfree(adev->gfx.ras_if);
 
 	return 0;
 late_fini:

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

@@ -797,7 +797,8 @@ static int gmc_v9_0_ecc_late_init(void *handle)
 		r = amdgpu_irq_get(adev, &adev->gmc.ecc_irq, 0);
 		if (r)
 			goto umc_late_fini;
-	}
+	} else
+		kfree(adev->gmc.umc_ras_if);
 
 	if (adev->mmhub_funcs && adev->mmhub_funcs->ras_late_init) {
 		r = adev->mmhub_funcs->ras_late_init(adev);

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

@@ -639,7 +639,7 @@ static int mmhub_v1_0_ras_late_init(struct amdgpu_device *adev)
 	mmhub_ih_info.head = mmhub_fs_info.head = *adev->gmc.mmhub_ras_if;
 	r = amdgpu_ras_late_init(adev, adev->gmc.mmhub_ras_if,
 				 &mmhub_fs_info, &mmhub_ih_info);
-	if (r)
+	if (r || !amdgpu_ras_is_supported(adev, adev->gmc.mmhub_ras_if->block))
 		kfree(adev->gmc.mmhub_ras_if);
 	return r;
 }

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

@@ -1728,7 +1728,8 @@ static int sdma_v4_0_late_init(void *handle)
 			if (r)
 				goto late_fini;
 		}
-	}
+	} else
+		kfree(adev->sdma.ras_if);
 
         return 0;
 late_fini: