| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 089/103] drm/nouveau/bar/nv50: check bar1 vmm return value | Date | Wed, 22 Jan 2020 10:29:45 +0100 |
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From: Jon Derrick <jonathan.derrick@intel.com>
commit 307a312df9c43fdea286ad17f748aaf777cc434a 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>
--- drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c @@ -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;
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