drm/amdkfd: kfree the wrong pointer

Originally, it kfrees the wrong pointer for mem_obj.
It would cause memory leak under stress test.

Signed-off-by: Jack Zhang <[email protected]>
Acked-by: Nirmoy Das <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Jack Zhang

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -1112,9 +1112,9 @@ int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size,
 	return 0;
 
 kfd_gtt_no_free_chunk:
-	pr_debug("Allocation failed with mem_obj = %p\n", mem_obj);
+	pr_debug("Allocation failed with mem_obj = %p\n", *mem_obj);
 	mutex_unlock(&kfd->gtt_sa_lock);
-	kfree(mem_obj);
+	kfree(*mem_obj);
 	return -ENOMEM;
 }