net: hns3: Fix a loop index error of tqp statistics query

[ Upstream commit 94bfaafa ]

An error loop index was used while querying statistics data
of tqps, which may cause call trace.

Fixes: 496d03e9 ("net: hns3: Add Ethtool support to HNS3 driver")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c

@@ -189,13 +189,13 @@ static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
 	struct hns3_enet_ring *ring;
 	u8 *stat;
-	u32 i;
+	int i, j;
 
 	/* get stats for Tx */
 	for (i = 0; i < kinfo->num_tqps; i++) {
 		ring = nic_priv->ring_data[i].ring;
-		for (i = 0; i < HNS3_TXQ_STATS_COUNT; i++) {
-			stat = (u8 *)ring + hns3_txq_stats[i].stats_offset;
+		for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
+			stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
 			*data++ = *(u64 *)stat;
 		}
 	}
@@ -203,8 +203,8 @@ static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
 	/* get stats for Rx */
 	for (i = 0; i < kinfo->num_tqps; i++) {
 		ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
-		for (i = 0; i < HNS3_RXQ_STATS_COUNT; i++) {
-			stat = (u8 *)ring + hns3_rxq_stats[i].stats_offset;
+		for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
+			stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
 			*data++ = *(u64 *)stat;
 		}
 	}