From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Fri, 6 Sep 2019 21:23:44 +0000 (-0400)
Subject: drm/amdgpu: Avoid RAS recovery init when no RAS support.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=4d1337d2e96715b7882fd75658e54ab59b3f58cd;p=uclinux-h8%2Flinux.git

drm/amdgpu: Avoid RAS recovery init when no RAS support.

Fixes driver load regression on APUs.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index e9bd40ea7ce0..e461386d697b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1496,9 +1496,14 @@ out:
 int amdgpu_ras_recovery_init(struct amdgpu_device *adev)
 {
 	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
-	struct ras_err_handler_data **data = &con->eh_data;
+	struct ras_err_handler_data **data;
 	int ret;
 
+	if (con)
+		data = &con->eh_data;
+	else
+		return 0;
+
 	*data = kmalloc(sizeof(**data), GFP_KERNEL | __GFP_ZERO);
 	if (!*data) {
 		ret = -ENOMEM;