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drm: Prune GEM vma entries

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Hook the GEM vm open/close ops into the generic drm vm open/close so
that the private vma entries are created and destroy appropriately.
Fixes the leak of the drm_vma_entries during the lifetime of the filp.

Reported-by: Matt Mackall <mpm@selenic.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Chris Wilson
2010-09-27 21:28:30 +01:00
committed by Dave Airlie
parent 73758a5d51
commit 31dfbc9392
3 changed files with 29 additions and 13 deletions
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9
drivers/gpu/drm/drm_gem.c
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@@ -528,6 +528,10 @@ void drm_gem_vm_open(struct vm_area_struct *vma)
struct drm_gem_object *obj = vma->vm_private_data;
drm_gem_object_reference(obj);
mutex_lock(&obj->dev->struct_mutex);
drm_vm_open_locked(vma);
mutex_unlock(&obj->dev->struct_mutex);
}
EXPORT_SYMBOL(drm_gem_vm_open);
@@ -535,7 +539,10 @@ void drm_gem_vm_close(struct vm_area_struct *vma)
{
struct drm_gem_object *obj = vma->vm_private_data;
drm_gem_object_unreference_unlocked(obj);
mutex_lock(&obj->dev->struct_mutex);
drm_vm_close_locked(vma);
drm_gem_object_unreference(obj);
mutex_unlock(&obj->dev->struct_mutex);
}
EXPORT_SYMBOL(drm_gem_vm_close);