Fix crash introduced in #1866

Author: blessedcoolant

ldm/models/diffusion/cross_attention_control.py

@@ -280,7 +280,7 @@ def einsum_op_cuda(self, q, k, v):
                     return self.einsum_op_slice_dim1(q, k, v, slice_size)
 
         # fallback for when there is no saved strategy, or saved strategy does not slice
-        mem_free_total = self.cached_mem_free_total or get_mem_free_total(q.device)
+        mem_free_total = get_mem_free_total(q.device)
         # Divide factor of safety as there's copying and fragmentation
         return self.einsum_op_tensor_mem(q, k, v, mem_free_total / 3.3 / (1 << 20))