linux-kernel - [PATCH net-next] net: hinic: Use devm

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Date:   Mon, 11 Sep 2023 21:50:52 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Cai Huoqing <cai.huoqing@...ux.dev>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        netdev@...r.kernel.org
Subject: [PATCH net-next] net: hinic: Use devm_kasprintf()

Use devm_kasprintf() instead of hand writing it.
This is less verbose and less error prone.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/net/ethernet/huawei/hinic/hinic_tx.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
index ad47ac51a139..9b60966736db 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
@@ -861,7 +861,7 @@ int hinic_init_txq(struct hinic_txq *txq, struct hinic_sq *sq,
 	struct hinic_qp *qp = container_of(sq, struct hinic_qp, sq);
 	struct hinic_dev *nic_dev = netdev_priv(netdev);
 	struct hinic_hwdev *hwdev = nic_dev->hwdev;
-	int err, irqname_len;
+	int err;
 
 	txq->netdev = netdev;
 	txq->sq = sq;
@@ -882,15 +882,13 @@ int hinic_init_txq(struct hinic_txq *txq, struct hinic_sq *sq,
 		goto err_alloc_free_sges;
 	}
 
-	irqname_len = snprintf(NULL, 0, "%s_txq%d", netdev->name, qp->q_id) + 1;
-	txq->irq_name = devm_kzalloc(&netdev->dev, irqname_len, GFP_KERNEL);
+	txq->irq_name = devm_kasprintf(&netdev->dev, GFP_KERNEL, "%s_txq%d",
+				       netdev->name, qp->q_id);
 	if (!txq->irq_name) {
 		err = -ENOMEM;
 		goto err_alloc_irqname;
 	}
 
-	sprintf(txq->irq_name, "%s_txq%d", netdev->name, qp->q_id);
-
 	err = hinic_hwdev_hw_ci_addr_set(hwdev, sq, CI_UPDATE_NO_PENDING,
 					 CI_UPDATE_NO_COALESC);
 	if (err)
-- 
2.34.1