Re: [PATCH rdma-next 01/15] rds: Don't check return value from destroy CQ

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On Mon, May 20, 2019 at 10:17:43AM -0700, Santosh Shilimkar wrote:
> On 5/19/2019 11:54 PM, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> >
> > There is no value in checking ib_destroy_cq() result and skipping
> > to clear struct ic fields. This connection needs to be reinitialized
> > anyway.
> >
> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> > ---
> >   net/rds/ib_cm.c | 8 ++++----
> >   1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
> > index 66c6eb56072b..5a42ebb892cd 100644
> > --- a/net/rds/ib_cm.c
> > +++ b/net/rds/ib_cm.c
> > @@ -611,11 +611,11 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
> >   qp_out:
> >   	rdma_destroy_qp(ic->i_cm_id);
> >   recv_cq_out:
> > -	if (!ib_destroy_cq(ic->i_recv_cq))
> > -		ic->i_recv_cq = NULL;
> > +	ib_destroy_cq(ic->i_recv_cq);
> > +	ic->i_recv_cq = NULL;
> >   send_cq_out:
> > -	if (!ib_destroy_cq(ic->i_send_cq))
> > -		ic->i_send_cq = NULL;
> > +	ib_destroy_cq(ic->i_send_cq);
> > +	ic->i_send_cq = NULL;
> This was done to ensure, you still don't get ISR delivering
> the CQEs while we are in shutdown path. Your patch
> is fine though since you don't change that behavior.
>
> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx>

Thanks

>
>



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