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drm/nouveau/sw: fix oops if gpu has its display block disabled

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-11-26 12:33:36 +10:00
parent 2fd04c81dc
commit 13cd1a5511
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/core/engine/software/nv50.c
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@ -176,7 +176,7 @@ nv50_software_context_ctor(struct nouveau_object *parent,
if (ret)
return ret;
chan->vblank.nr_event = pdisp->vblank->index_nr;
chan->vblank.nr_event = pdisp ? pdisp->vblank->index_nr : 0;
chan->vblank.event = kzalloc(chan->vblank.nr_event *
sizeof(*chan->vblank.event), GFP_KERNEL);
if (!chan->vblank.event)