linux-kernel - Re: [PATCH] infiniband hfi1: fix misuse of %x in ipoib

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Message-ID: <9b93b143-2dfa-56d7-e1ab-30945c1617c1@cornelisnetworks.com>
Date:   Wed, 22 Sep 2021 08:37:42 -0400
From:   Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>
To:     Guo Zhi <qtxuning1999@...u.edu.cn>,
        mike.marciniszyn@...nelisnetworks.com, dledford@...hat.com
Cc:     linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] infiniband hfi1: fix misuse of %x in ipoib_tx.c


On 9/22/21 8:33 AM, Guo Zhi wrote:
> Pointers should be printed with %p or %px rather than
> cast to (unsigned long long) and printed with %llx.
> Change %llx to %p to print the pointer.

You are still casting to (unsigned long long) though.

> 
> Signed-off-by: Guo Zhi <qtxuning1999@...u.edu.cn>
> ---
>  drivers/infiniband/hw/hfi1/ipoib_tx.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/hfi1/ipoib_tx.c b/drivers/infiniband/hw/hfi1/ipoib_tx.c
> index e74ddbe4658..7381f352311 100644
> --- a/drivers/infiniband/hw/hfi1/ipoib_tx.c
> +++ b/drivers/infiniband/hw/hfi1/ipoib_tx.c
> @@ -876,13 +876,13 @@ void hfi1_ipoib_tx_timeout(struct net_device *dev, unsigned int q)
>  	struct hfi1_ipoib_txq *txq = &priv->txqs[q];
>  	u64 completed = atomic64_read(&txq->complete_txreqs);
>  
> -	dd_dev_info(priv->dd, "timeout txq %llx q %u stopped %u stops %d no_desc %d ring_full %d\n",
> +	dd_dev_info(priv->dd, "timeout txq %p q %u stopped %u stops %d no_desc %d ring_full %d\n",
>  		    (unsigned long long)txq, q,
>  		    __netif_subqueue_stopped(dev, txq->q_idx),
>  		    atomic_read(&txq->stops),
>  		    atomic_read(&txq->no_desc),
>  		    atomic_read(&txq->ring_full));
> -	dd_dev_info(priv->dd, "sde %llx engine %u\n",
> +	dd_dev_info(priv->dd, "sde %p engine %u\n",
>  		    (unsigned long long)txq->sde,
>  		    txq->sde ? txq->sde->this_idx : 0);
>  	dd_dev_info(priv->dd, "flow %x\n", txq->flow.as_int);
>