RDMA/hfi1: Fix kernel pointer leak

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 secured
pointer.

Fixes: 042a00f9 ("IB/{ipoib,hfi1}: Add a timeout handler for rdma_netdev")
Link: https://lore.kernel.org/r/20210922134857.619602-1-qtxuning1999@sjtu.edu.cnSigned-off-by: Guo Zhi <qtxuning1999@sjtu.edu.cn>
Acked-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hfi1/ipoib_tx.c

@@ -876,14 +876,14 @@ 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",
-		    (unsigned long long)txq, q,
+	dd_dev_info(priv->dd, "timeout txq %p q %u stopped %u stops %d no_desc %d ring_full %d\n",
+		    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",
-		    (unsigned long long)txq->sde,
+	dd_dev_info(priv->dd, "sde %p engine %u\n",
+		    txq->sde,
 		    txq->sde ? txq->sde->this_idx : 0);
 	dd_dev_info(priv->dd, "flow %x\n", txq->flow.as_int);
 	dd_dev_info(priv->dd, "sent %llu completed %llu used %llu\n",