From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 1 Nov 2017 03:56:19 +1000
Subject: drm/nouveau/kms/nv50: prevent oops in failure paths
Git-commit: 9551efcf7664b73d881de7eb88e4626c9561b624
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/nouveau/nv50_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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 *dev
 	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 *dev
 	if (ret)
 		return ret;
 
-	INIT_LIST_HEAD(&dmac->ctxdma);
 	return ret;
 }