On 9/6/23 7:27 PM, Dan Carpenter wrote:
> Hello Cheng Xu,
>
> The patch 155055771704: "RDMA/erdma: Add verbs implementation" from
> Jul 27, 2022 (linux-next), leads to the following Smatch static
> checker warning:
>
> drivers/infiniband/hw/erdma/erdma_verbs.c:1044 erdma_get_dma_mr()
> error: potential zalloc NULL dereference: 'mr->mem.mtt'
>
<...>
Hi, Dan,
I can reproduce it, it was introduced by commit:
7244b4aa4221 ("RDMA/erdma: Refactor the storage structure of MTT entries")
Also I submited a patch to fix it just now.
Thanks very much.
Cheng Xu
