drm/amdgpu: add some error handling to amdgpu_init v2

Just to be clean should we ever run into -ENOMEM during module init.

v2: fix typo in commit message

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 73f2415..02ff074 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -735,9 +735,20 @@ static struct pci_driver amdgpu_kms_pci_driver = {
 
 static int __init amdgpu_init(void)
 {
-       amdgpu_sync_init();
-       amdgpu_fence_slab_init();
-       amd_sched_fence_slab_init();
+       int r;
+
+       r = amdgpu_sync_init();
+       if (r)
+               goto error_sync;
+
+       r = amdgpu_fence_slab_init();
+       if (r)
+               goto error_fence;
+
+       r = amd_sched_fence_slab_init();
+       if (r)
+               goto error_sched;
+
        if (vgacon_text_force()) {
                DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n");
                return -EINVAL;
@@ -749,6 +760,15 @@ static int __init amdgpu_init(void)
        amdgpu_register_atpx_handler();
        /* let modprobe override vga console setting */
        return drm_pci_init(driver, pdriver);
+
+error_sched:
+       amdgpu_fence_slab_fini();
+
+error_fence:
+       amdgpu_sync_fini();
+
+error_sync:
+       return r;
 }
 
 static void __exit amdgpu_exit(void)