Sometimes the iterated vma objects are NULL apparently. Be aware of this while
iterating and do early exit instead of causing a NULL pointer exception.
Signed-off-by: Tomas Elf <tomas....@intel.com>
---
drivers/gpu/drm/i915/i915_gem.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 52642af..8210ae7 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5122,9 +5122,13 @@ unsigned long i915_gem_obj_size(struct
drm_i915_gem_object *o,
bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj)
{
struct i915_vma *vma;
- list_for_each_entry(vma, &obj->vma_list, vma_link)
+ list_for_each_entry(vma, &obj->vma_list, vma_link) {
+ if (!vma)
+ continue;
+
if (vma->pin_count > 0)
return true;
+ }
return false;
}
--
1.9.1
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