We sometimes call i915_vma_unbind() inside the loop and that can free
the vma.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Static checker stuff. Untested.
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 9b3b5f8..5249735 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -524,7 +524,7 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
bool *need_relocs)
{
struct drm_i915_gem_object *obj;
- struct i915_vma *vma;
+ struct i915_vma *vma, *n;
struct list_head ordered_vmas;
bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
int retry;
@@ -572,7 +572,7 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
int ret = 0;
/* Unbind any ill-fitting objects or pin. */
- list_for_each_entry(vma, vmas, exec_list) {
+ list_for_each_entry_safe(vma, n, vmas, exec_list) {
struct drm_i915_gem_exec_object2 *entry = vma->exec_entry;
bool need_fence, need_mappable;
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