[PATCH] net: memcpy to ethtool_puts

From: Rosen Penev
Date: Tue Oct 15 2024 - 16:03:21 EST


The latter is the prefered way to copy ethtool strings.

Transformed with the following coccinelle script:

virtual org
virtual report
virtual context
virtual patch

@depends on patch@
expression E1, E2;
identifier I;
position p;
@@

- memcpy@p(E1 + I * ETH_GSTRING_LEN, E2, ETH_GSTRING_LEN);
+ ethtool_puts(&E1, E2);

Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
---
drivers/net/dsa/b53/b53_common.c | 3 +-
drivers/net/dsa/bcm_sf2.c | 5 +-
drivers/net/dsa/bcm_sf2_cfp.c | 17 ++--
drivers/net/dsa/hirschmann/hellcreek.c | 8 +-
drivers/net/dsa/microchip/ksz_common.c | 3 +-
drivers/net/dsa/mv88e6xxx/chip.c | 5 +-
drivers/net/dsa/rzn1_a5psw.c | 3 +-
drivers/net/dsa/sja1105/sja1105_ethtool.c | 7 +-
drivers/net/dsa/xrs700x/xrs700x.c | 6 +-
drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 22 +++---
drivers/net/ethernet/apm/xgene-v2/ethtool.c | 13 +---
.../ethernet/apm/xgene/xgene_enet_ethtool.c | 13 +---
drivers/net/ethernet/atheros/atlx/atl1.c | 8 +-
.../ethernet/broadcom/asp2/bcmasp_ethtool.c | 5 +-
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 10 +--
drivers/net/ethernet/broadcom/bcmsysport.c | 16 ++--
drivers/net/ethernet/broadcom/bgmac.c | 3 +-
.../net/ethernet/broadcom/genet/bcmgenet.c | 5 +-
drivers/net/ethernet/cadence/macb_main.c | 19 ++---
drivers/net/ethernet/calxeda/xgmac.c | 9 +--
.../ethernet/cavium/liquidio/lio_ethtool.c | 50 +++++-------
.../ethernet/cavium/thunder/nicvf_ethtool.c | 48 ++++--------
.../net/ethernet/cisco/enic/enic_ethtool.c | 40 ++++------
.../net/ethernet/emulex/benet/be_ethtool.c | 39 ++++------
drivers/net/ethernet/engleder/tsnep_ethtool.c | 32 ++++----
.../ethernet/freescale/dpaa/dpaa_ethtool.c | 38 +++------
.../ethernet/freescale/dpaa2/dpaa2-ethtool.c | 15 ++--
.../net/ethernet/freescale/dpaa2/dpaa2-mac.c | 7 +-
.../freescale/dpaa2/dpaa2-switch-ethtool.c | 12 ++-
.../ethernet/freescale/enetc/enetc_ethtool.c | 33 +++-----
.../net/ethernet/freescale/gianfar_ethtool.c | 8 +-
.../net/ethernet/freescale/ucc_geth_ethtool.c | 23 +++---
.../ethernet/hisilicon/hns/hns_dsaf_main.c | 66 ++++++----------
.../hns3/hns3_common/hclge_comm_tqp_stats.c | 6 +-
.../ethernet/hisilicon/hns3/hns3_ethtool.c | 9 +--
.../hisilicon/hns3/hns3pf/hclge_main.c | 49 +++++-------
drivers/net/ethernet/ibm/ibmveth.c | 4 +-
drivers/net/ethernet/ibm/ibmvnic.c | 30 +++----
.../net/ethernet/intel/e1000/e1000_ethtool.c | 13 ++--
drivers/net/ethernet/intel/e1000e/ethtool.c | 13 ++--
drivers/net/ethernet/intel/igbvf/ethtool.c | 9 +--
drivers/net/ethernet/intel/ixgbevf/ethtool.c | 35 ++++-----
.../net/ethernet/marvell/mvpp2/mvpp2_main.c | 38 +++------
.../marvell/octeon_ep/octep_ethtool.c | 34 +++-----
.../marvell/octeon_ep_vf/octep_vf_ethtool.c | 37 ++++-----
.../marvell/octeontx2/nic/otx2_ethtool.c | 78 +++++++------------
drivers/net/ethernet/marvell/skge.c | 3 +-
drivers/net/ethernet/marvell/sky2.c | 3 +-
.../mellanox/mlxsw/spectrum_ethtool.c | 77 +++++++-----------
.../ethernet/mellanox/mlxsw/spectrum_ptp.c | 7 +-
drivers/net/ethernet/micrel/ksz884x.c | 5 +-
.../microchip/lan966x/lan966x_ethtool.c | 3 +-
.../ethernet/microsoft/mana/mana_ethtool.c | 55 +++++--------
drivers/net/ethernet/mscc/ocelot_stats.c | 3 +-
.../ethernet/netronome/nfp/nfp_net_ethtool.c | 3 +-
.../oki-semi/pch_gbe/pch_gbe_ethtool.c | 8 +-
.../qlogic/netxen/netxen_nic_ethtool.c | 10 +--
.../net/ethernet/qlogic/qede/qede_ethtool.c | 34 ++++----
.../ethernet/qlogic/qlcnic/qlcnic_ethtool.c | 49 +++++-------
.../net/ethernet/qualcomm/emac/emac-ethtool.c | 7 +-
drivers/net/ethernet/rocker/rocker_main.c | 7 +-
.../ethernet/samsung/sxgbe/sxgbe_ethtool.c | 9 +--
drivers/net/ethernet/sfc/ethtool_common.c | 21 +++--
drivers/net/ethernet/sfc/falcon/ethtool.c | 14 ++--
drivers/net/ethernet/sfc/falcon/nic.c | 7 +-
drivers/net/ethernet/sfc/nic.c | 7 +-
.../net/ethernet/sfc/siena/ethtool_common.c | 25 +++---
drivers/net/ethernet/sfc/siena/nic.c | 7 +-
.../ethernet/stmicro/stmmac/stmmac_ethtool.c | 60 ++++++--------
.../stmicro/stmmac/stmmac_selftests.c | 7 +-
drivers/net/ethernet/sun/cassini.c | 6 +-
.../ethernet/synopsys/dwc-xlgmac-ethtool.c | 8 +-
drivers/net/ethernet/ti/am65-cpsw-ethtool.c | 20 ++---
drivers/net/ethernet/ti/cpsw_ethtool.c | 15 ++--
drivers/net/ethernet/ti/netcp_ethss.c | 7 +-
drivers/net/fjes/fjes_ethtool.c | 52 +++++--------
drivers/net/phy/aquantia/aquantia_main.c | 3 +-
drivers/net/phy/bcm-phy-lib.c | 3 +-
drivers/net/usb/cdc_ncm.c | 8 +-
drivers/net/xen-netback/interface.c | 3 +-
drivers/net/xen-netfront.c | 3 +-
net/dsa/user.c | 11 ++-
82 files changed, 550 insertions(+), 966 deletions(-)

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index c39cb119e760..285785c942b0 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -989,8 +989,7 @@ void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,

if (stringset == ETH_SS_STATS) {
for (i = 0; i < mib_size; i++)
- strscpy(data + i * ETH_GSTRING_LEN,
- mibs[i].name, ETH_GSTRING_LEN);
+ ethtool_puts(&data, mibs[i].name);
} else if (stringset == ETH_SS_PHY_STATS) {
phydev = b53_get_phy_device(ds, port);
if (!phydev)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 9201f07839ad..2bb1832d21bc 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -1180,11 +1180,8 @@ static const struct b53_io_ops bcm_sf2_io_ops = {
static void bcm_sf2_sw_get_strings(struct dsa_switch *ds, int port,
u32 stringset, uint8_t *data)
{
- int cnt = b53_get_sset_count(ds, port, stringset);
-
b53_get_strings(ds, port, stringset, data);
- bcm_sf2_cfp_get_strings(ds, port, stringset,
- data + cnt * ETH_GSTRING_LEN);
+ bcm_sf2_cfp_get_strings(ds, port, stringset, data);
}

static void bcm_sf2_sw_get_ethtool_stats(struct dsa_switch *ds, int port,
diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c
index c88ee3dd4299..8ba23e643a42 100644
--- a/drivers/net/dsa/bcm_sf2_cfp.c
+++ b/drivers/net/dsa/bcm_sf2_cfp.c
@@ -1284,22 +1284,15 @@ void bcm_sf2_cfp_get_strings(struct dsa_switch *ds, int port,
{
struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
unsigned int s = ARRAY_SIZE(bcm_sf2_cfp_stats);
- char buf[ETH_GSTRING_LEN];
- unsigned int i, j, iter;
+ unsigned int i, j;

if (stringset != ETH_SS_STATS)
return;

- for (i = 1; i < priv->num_cfp_rules; i++) {
- for (j = 0; j < s; j++) {
- snprintf(buf, sizeof(buf),
- "CFP%03d_%sCntr",
- i, bcm_sf2_cfp_stats[j].name);
- iter = (i - 1) * s + j;
- strscpy(data + iter * ETH_GSTRING_LEN,
- buf, ETH_GSTRING_LEN);
- }
- }
+ for (i = 1; i < priv->num_cfp_rules; i++)
+ for (j = 0; j < s; j++)
+ ethtool_sprintf(&data, "CFP%03d_%sCntr", i,
+ bcm_sf2_cfp_stats[j].name);
}

void bcm_sf2_cfp_get_ethtool_stats(struct dsa_switch *ds, int port,
diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c
index d798f17cf7ea..283ec5a6e23c 100644
--- a/drivers/net/dsa/hirschmann/hellcreek.c
+++ b/drivers/net/dsa/hirschmann/hellcreek.c
@@ -294,12 +294,8 @@ static void hellcreek_get_strings(struct dsa_switch *ds, int port,
{
int i;

- for (i = 0; i < ARRAY_SIZE(hellcreek_counter); ++i) {
- const struct hellcreek_counter *counter = &hellcreek_counter[i];
-
- strscpy(data + i * ETH_GSTRING_LEN,
- counter->name, ETH_GSTRING_LEN);
- }
+ for (i = 0; i < ARRAY_SIZE(hellcreek_counter); ++i)
+ ethtool_puts(&data, hellcreek_counter[i].name);
}

static int hellcreek_get_sset_count(struct dsa_switch *ds, int port, int sset)
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 4e8710c7cb7b..408ccb1f012e 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -2113,8 +2113,7 @@ static void ksz_get_strings(struct dsa_switch *ds, int port,
return;

for (i = 0; i < dev->info->mib_cnt; i++) {
- memcpy(buf + i * ETH_GSTRING_LEN,
- dev->info->mib_names[i].string, ETH_GSTRING_LEN);
+ ethtool_puts(&buf, dev->info->mib_names[i].string);
}
}

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 69cf19d3dd5e..bc813d97afa7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1220,12 +1220,9 @@ static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
if (chip->info->ops->stats_get_strings)
count = chip->info->ops->stats_get_strings(chip, data);

- if (chip->info->ops->serdes_get_strings) {
- data += count * ETH_GSTRING_LEN;
+ if (chip->info->ops->serdes_get_strings)
count = chip->info->ops->serdes_get_strings(chip, port, data);
- }

- data += count * ETH_GSTRING_LEN;
mv88e6xxx_atu_vtu_get_strings(data);

mv88e6xxx_reg_unlock(chip);
diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c
index 1135a32e4b7e..b3e127f64b08 100644
--- a/drivers/net/dsa/rzn1_a5psw.c
+++ b/drivers/net/dsa/rzn1_a5psw.c
@@ -803,8 +803,7 @@ static void a5psw_get_strings(struct dsa_switch *ds, int port, u32 stringset,
return;

for (u = 0; u < ARRAY_SIZE(a5psw_stats); u++) {
- memcpy(data + u * ETH_GSTRING_LEN, a5psw_stats[u].name,
- ETH_GSTRING_LEN);
+ ethtool_puts(&data, a5psw_stats[u].name);
}
}

diff --git a/drivers/net/dsa/sja1105/sja1105_ethtool.c b/drivers/net/dsa/sja1105/sja1105_ethtool.c
index decc6c931dc1..2ea64b1d026d 100644
--- a/drivers/net/dsa/sja1105/sja1105_ethtool.c
+++ b/drivers/net/dsa/sja1105/sja1105_ethtool.c
@@ -586,7 +586,6 @@ void sja1105_get_strings(struct dsa_switch *ds, int port,
{
struct sja1105_private *priv = ds->priv;
enum sja1105_counter_index max_ctr, i;
- char *p = data;

if (stringset != ETH_SS_STATS)
return;
@@ -597,10 +596,8 @@ void sja1105_get_strings(struct dsa_switch *ds, int port,
else
max_ctr = __MAX_SJA1105PQRS_PORT_COUNTER;

- for (i = 0; i < max_ctr; i++) {
- strscpy(p, sja1105_port_counters[i].name, ETH_GSTRING_LEN);
- p += ETH_GSTRING_LEN;
- }
+ for (i = 0; i < max_ctr; i++)
+ ethtool_puts(&data, sja1105_port_counters[i].name);
}

int sja1105_get_sset_count(struct dsa_switch *ds, int port, int sset)
diff --git a/drivers/net/dsa/xrs700x/xrs700x.c b/drivers/net/dsa/xrs700x/xrs700x.c
index de3b768f2ff9..4dbcc49a9e52 100644
--- a/drivers/net/dsa/xrs700x/xrs700x.c
+++ b/drivers/net/dsa/xrs700x/xrs700x.c
@@ -91,10 +91,8 @@ static void xrs700x_get_strings(struct dsa_switch *ds, int port,
if (stringset != ETH_SS_STATS)
return;

- for (i = 0; i < ARRAY_SIZE(xrs700x_mibs); i++) {
- strscpy(data, xrs700x_mibs[i].name, ETH_GSTRING_LEN);
- data += ETH_GSTRING_LEN;
- }
+ for (i = 0; i < ARRAY_SIZE(xrs700x_mibs); i++)
+ ethtool_puts(&data, xrs700x_mibs[i].name);
}

static int xrs700x_get_sset_count(struct dsa_switch *ds, int port, int sset)