diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index ed4e0fb558f7..11d834f94220 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -942,6 +942,14 @@ static struct i915_gem_active *active_instance(struct i915_vma *vma, u64 idx) } active = kmalloc(sizeof(*active), GFP_KERNEL); + + /* kmalloc may retire the vma->last_active request (thanks shrinker)! */ + if (unlikely(!i915_gem_active_raw(&vma->last_active, + &vma->vm->i915->drm.struct_mutex))) { + kfree(active); + goto out; + } + if (unlikely(!active)) return ERR_PTR(-ENOMEM); |