drm/nouveau/kms/nv50: prevent oops in failure paths

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index e4751f9..9cd5a53 100644 (file)
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -510,6 +510,7 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
        int ret;
 
        mutex_init(&dmac->lock);
+       INIT_LIST_HEAD(&dmac->ctxdma);
 
        dmac->ptr = dma_alloc_coherent(nvxx_device(device)->dev, PAGE_SIZE,
                                       &dmac->handle, GFP_KERNEL);
@@ -556,7 +557,6 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
        if (ret)
                return ret;
 
-       INIT_LIST_HEAD(&dmac->ctxdma);
        return ret;
 }