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authorMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
committerMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
commit6a4770e335bd4df0a4577146f76e116ab6e23f40 (patch)
tree305056c20b6ccf3a4fed00e9e32f3a1dd039cd70 /drivers/gpu/drm/drm_vm.c
parentac64a9caa55bdfd8d24784f25c68cb7919ddabe3 (diff)
parentf52b69f86e27903d6896ed5fa7cd280fec8de532 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
-rw-r--r--drivers/gpu/drm/drm_vm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index 8c03eaf41448..149561818349 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -519,7 +519,6 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
vma->vm_flags |= VM_RESERVED; /* Don't swap */
vma->vm_flags |= VM_DONTEXPAND;
- vma->vm_file = filp; /* Needed for drm_vm_open() */
drm_vm_open_locked(vma);
return 0;
}
@@ -671,7 +670,6 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
vma->vm_flags |= VM_RESERVED; /* Don't swap */
vma->vm_flags |= VM_DONTEXPAND;
- vma->vm_file = filp; /* Needed for drm_vm_open() */
drm_vm_open_locked(vma);
return 0;
}
@@ -682,6 +680,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
struct drm_device *dev = priv->minor->dev;
int ret;
+ if (drm_device_is_unplugged(dev))
+ return -ENODEV;
+
mutex_lock(&dev->struct_mutex);
ret = drm_mmap_locked(filp, vma);
mutex_unlock(&dev->struct_mutex);