Signed-off-by: Eric Anholt <[email protected]>
---
drivers/gpu/drm/i915/i915_gem.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 14afc23..e87db6f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2761,6 +2761,13 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
mutex_unlock(&dev->struct_mutex);
return -EBADF;
}
+ obj_priv = obj->driver_private;
+
+ if (obj_priv->pin_count == 0) {
+ drm_gem_object_unreference(obj);
+ mutex_unlock(&dev->struct_mutex);
+ return -EINVAL;
+ }
obj_priv = obj->driver_private;
if (obj_priv->pin_filp != file_priv) {
--
1.5.6.5
------------------------------------------------------------------------------
--
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