Re: [PATCH] RDMA/rtrs-srv: Suppress warnings passing zero to 'PTR_ERR'

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On Tue, Feb 16, 2021 at 3:49 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
>
> On Tue, Feb 16, 2021 at 03:38:07PM +0100, Jack Wang wrote:
> > smatch warnings:
> > drivers/infiniband/ulp/rtrs/rtrs-srv.c:1805 rtrs_rdma_connect() warn: passing zero to 'PTR_ERR'
> >
> > Smatch seems confused by the refcount_read condition, the solution is
> > protect move the list_add down after full initilization of rtrs_srv.
>
> In theory if Smatch had a properly up to date DB then it would print a
> different warning "passing a valid pointer to PTR_ERR()".
That will be easier to follow :)
>
> regards,
> dan carpenter
>
Thanks!



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