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drm/nouveau/platform: release IOMMU's mm upon exit 

nvkm_mm_fini() was not called when exiting the driver, resulting in a
memory leak. Fix this.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Alexandre Courbot 2015-03-20 19:41:04 +09:00 committed by Ben Skeggs
parent ed22e68462
commit 25eb3a924f
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/nouveau/nouveau_platform.c
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@ -152,6 +152,7 @@ static void nouveau_platform_remove_iommu(struct device *dev,
struct nouveau_platform_gpu *gpu) struct nouveau_platform_gpu *gpu)
{ {
if (gpu->iommu.domain) { if (gpu->iommu.domain) {
nvkm_mm_fini(&gpu->iommu._mm);
iommu_detach_device(gpu->iommu.domain, dev); iommu_detach_device(gpu->iommu.domain, dev);
iommu_domain_free(gpu->iommu.domain); iommu_domain_free(gpu->iommu.domain);
} }