RDMA: Use ethtool string helpers

Avoids having to manually increment the pointer.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20241021011543.5922-1-rosenp@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: neheb

drivers/infiniband/ulp/ipoib/ipoib_ethtool.c

@@ -128,16 +128,13 @@ static void ipoib_get_ethtool_stats(struct net_device *dev,
 static void ipoib_get_strings(struct net_device __always_unused *dev,
 			      u32 stringset, u8 *data)
 {
-	u8 *p = data;
 	int i;
 
 	switch (stringset) {
 	case ETH_SS_STATS:
-		for (i = 0; i < IPOIB_GLOBAL_STATS_LEN; i++) {
-			memcpy(p, ipoib_gstrings_stats[i].stat_string,
-				ETH_GSTRING_LEN);
-			p += ETH_GSTRING_LEN;
-		}
+		for (i = 0; i < IPOIB_GLOBAL_STATS_LEN; i++)
+			ethtool_puts(&data,
+				     ipoib_gstrings_stats[i].stat_string);
 		break;
 	default:
 		break;

drivers/infiniband/ulp/opa_vnic/opa_vnic_ethtool.c

@@ -164,9 +164,7 @@ static void vnic_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 		return;
 
 	for (i = 0; i < VNIC_STATS_LEN; i++)
-		memcpy(data + i * ETH_GSTRING_LEN,
-		       vnic_gstrings_stats[i].stat_string,
-		       ETH_GSTRING_LEN);
+		ethtool_puts(&data, vnic_gstrings_stats[i].stat_string);
 }
 
 /* ethtool ops */