On 2020/10/29 18:08, Robin Murphy wrote:
On 2020-10-29 09:22, Yu Kuai wrote:If of_find_device_by_node() failed in rk_iommu_of_xlate(), null pointer dereference will be triggered. Thus return error code if of_find_device_by_node() failed.How can that happen? (Given that ".suppress_bind_attrs = true") Robin.
I'm not sure if that could happen... My thought is that it's better to do such checking to aviod any possible problem. Thanks! Yu Kuai