[PATCH net-next] hinic: Use devm_kasprintf instead of hard coding it

[Christophe JAILLET]

'devm_kasprintf' is less verbose than:
   snprintf(NULL, 0, ...);
   devm_kzalloc(...);
   sprintf
so use it instead.

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

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c 
b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
index 9b4082557ad5..95b09fd110d3 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -493,7 +493,7 @@ int hinic_init_rxq(struct hinic_rxq *rxq, struct hinic_rq 
*rq,
                   struct net_device *netdev)
 {
        struct hinic_qp *qp = container_of(rq, struct hinic_qp, rq);
-       int err, pkts, irqname_len;
+       int err, pkts;
 
        rxq->netdev = netdev;
        rxq->rq = rq;
@@ -502,13 +502,11 @@ int hinic_init_rxq(struct hinic_rxq *rxq, struct hinic_rq 
*rq,
 
        rxq_stats_init(rxq);
 
-       irqname_len = snprintf(NULL, 0, "hinic_rxq%d", qp->q_id) + 1;
-       rxq->irq_name = devm_kzalloc(&netdev->dev, irqname_len, GFP_KERNEL);
+       rxq->irq_name = devm_kasprintf(&netdev->dev, GFP_KERNEL,
+                                      "hinic_rxq%d", qp->q_id);
        if (!rxq->irq_name)
                return -ENOMEM;
 
-       sprintf(rxq->irq_name, "hinic_rxq%d", qp->q_id);
-
        pkts = rx_alloc_pkts(rxq);
        if (!pkts) {
                err = -ENOMEM;
-- 
2.20.1