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drm/nouveau/bar/nv50: check bar1 vmm return value

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commit 307a312df9 upstream.

Check bar1's new vmm creation return value for errors.

Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Sushma Kalakota <sushmax.kalakota@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jon Derrick
2019-03-15 18:05:15 -06:00
committed by Greg Kroah-Hartman
parent 5bebd8dbc5
commit e9f3e2ef01
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
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@@ -174,6 +174,8 @@ nv50_bar_oneinit(struct nvkm_bar *base)
ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0,
&bar1_lock, "bar1", &bar->bar1_vmm);
if (ret)
return ret;
atomic_inc(&bar->bar1_vmm->engref[NVKM_SUBDEV_BAR]);
bar->bar1_vmm->debug = bar->base.subdev.debug;