Re: [PATCH] RDMA/rxe: Generate a completion on error after getting a wqe

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On Mon, Mar 28, 2022 at 05:54:36PM +0800, Xiao Yang wrote:
> Current rxe_requester() doesn't generate a completion on error after
> getting a wqe. Fix the issue by calling "goto err;" instead.
> 
> Signed-off-by: Xiao Yang <yangx.jy@xxxxxxxxxxx>
> ---
>  drivers/infiniband/sw/rxe/rxe_req.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Don't you need to set wqe->status too to have complete fix?

Thanks

> 
> diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
> index ae5fbc79dd5c..6f8dd2b3b817 100644
> --- a/drivers/infiniband/sw/rxe/rxe_req.c
> +++ b/drivers/infiniband/sw/rxe/rxe_req.c
> @@ -648,26 +648,26 @@ int rxe_requester(void *arg)
>  		psn_compare(qp->req.psn, (qp->comp.psn +
>  				RXE_MAX_UNACKED_PSNS)) > 0)) {
>  		qp->req.wait_psn = 1;
> -		goto exit;
> +		goto err;
>  	}
>  
>  	/* Limit the number of inflight SKBs per QP */
>  	if (unlikely(atomic_read(&qp->skb_out) >
>  		     RXE_INFLIGHT_SKBS_PER_QP_HIGH)) {
>  		qp->need_req_skb = 1;
> -		goto exit;
> +		goto err;
>  	}
>  
>  	opcode = next_opcode(qp, wqe, wqe->wr.opcode);
>  	if (unlikely(opcode < 0)) {
>  		wqe->status = IB_WC_LOC_QP_OP_ERR;
> -		goto exit;
> +		goto err;
>  	}
>  
>  	mask = rxe_opcode[opcode].mask;
>  	if (unlikely(mask & RXE_READ_OR_ATOMIC_MASK)) {
>  		if (check_init_depth(qp, wqe))
> -			goto exit;
> +			goto err;
>  	}
>  
>  	mtu = get_mtu(qp);
> -- 
> 2.23.0
> 
> 
> 



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