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ethtool: consolidate work with ethtool_ops 

No need to check if ethtool_ops == NULL since it can't be.
Use local variable "ops" in functions where it is present
instead of dev->ethtool_ops
Introduce local variable "ops" in functions where dev->ethtool_ops is used
many times.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Reviewed-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-01-07 09:02:08 +00:00 committed by David S. Miller
parent 6411280ac9
commit c03a14e8db
1 changed files with 21 additions and 24 deletions
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45
net/core/ethtool.c
View File

@ -175,7 +175,7 @@ static int __ethtool_get_sset_count(struct net_device *dev, int sset)
if (sset == ETH_SS_FEATURES)
return ARRAY_SIZE(netdev_features_strings);
if (ops && ops->get_sset_count && ops->get_strings)
if (ops->get_sset_count && ops->get_strings)
return ops->get_sset_count(dev, sset);
else
return -EOPNOTSUPP;
@ -311,7 +311,7 @@ int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
ASSERT_RTNL();
if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings)
if (!dev->ethtool_ops->get_settings)
return -EOPNOTSUPP;
memset(cmd, 0, sizeof(struct ethtool_cmd));
@ -355,7 +355,7 @@ static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
memset(&info, 0, sizeof(info));
info.cmd = ETHTOOL_GDRVINFO;
if (ops && ops->get_drvinfo) {
if (ops->get_drvinfo) {
ops->get_drvinfo(dev, &info);
} else if (dev->dev.parent && dev->dev.parent->driver) {
strlcpy(info.bus_info, dev_name(dev->dev.parent),
@ -370,7 +370,7 @@ static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
* this method of obtaining string set info is deprecated;
* Use ETHTOOL_GSSET_INFO instead.
*/
if (ops && ops->get_sset_count) {
if (ops->get_sset_count) {
int rc;
rc = ops->get_sset_count(dev, ETH_SS_TEST);
@ -383,9 +383,9 @@ static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
if (rc >= 0)
info.n_priv_flags = rc;
}
if (ops && ops->get_regs_len)
if (ops->get_regs_len)
info.regdump_len = ops->get_regs_len(dev);
if (ops && ops->get_eeprom_len)
if (ops->get_eeprom_len)
info.eedump_len = ops->get_eeprom_len(dev);
if (copy_to_user(useraddr, &info, sizeof(info)))
@ -590,13 +590,14 @@ static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
struct ethtool_rxnfc rx_rings;
u32 user_size, dev_size, i;
u32 *indir;
const struct ethtool_ops *ops = dev->ethtool_ops;
int ret;
if (!dev->ethtool_ops->get_rxfh_indir_size ||
!dev->ethtool_ops->set_rxfh_indir ||
!dev->ethtool_ops->get_rxnfc)
if (!ops->get_rxfh_indir_size || !ops->set_rxfh_indir ||
!ops->get_rxnfc)
return -EOPNOTSUPP;
dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
dev_size = ops->get_rxfh_indir_size(dev);
if (dev_size == 0)
return -EOPNOTSUPP;
@ -613,7 +614,7 @@ static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
return -ENOMEM;
rx_rings.cmd = ETHTOOL_GRXRINGS;
ret = dev->ethtool_ops->get_rxnfc(dev, &rx_rings, NULL);
ret = ops->get_rxnfc(dev, &rx_rings, NULL);
if (ret)
goto out;
@ -639,7 +640,7 @@ static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
}
}
ret = dev->ethtool_ops->set_rxfh_indir(dev, indir);
ret = ops->set_rxfh_indir(dev, indir);
out:
kfree(indir);
@ -1082,9 +1083,10 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
{
struct ethtool_value id;
static bool busy;
const struct ethtool_ops *ops = dev->ethtool_ops;
int rc;
if (!dev->ethtool_ops->set_phys_id)
if (!ops->set_phys_id)
return -EOPNOTSUPP;
if (busy)
@ -1093,7 +1095,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
if (copy_from_user(&id, useraddr, sizeof(id)))
return -EFAULT;
rc = dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
rc = ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
if (rc < 0)
return rc;
@ -1118,7 +1120,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
i = n;
do {
rtnl_lock();
rc = dev->ethtool_ops->set_phys_id(dev,
rc = ops->set_phys_id(dev,
(i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
rtnl_unlock();
if (rc)
@ -1133,7 +1135,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
dev_put(dev);
busy = false;
(void)dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
(void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
return rc;
}
@ -1275,7 +1277,7 @@ static int ethtool_get_dump_flag(struct net_device *dev,
struct ethtool_dump dump;
const struct ethtool_ops *ops = dev->ethtool_ops;
if (!dev->ethtool_ops->get_dump_flag)
if (!ops->get_dump_flag)
return -EOPNOTSUPP;
if (copy_from_user(&dump, useraddr, sizeof(dump)))
@ -1299,8 +1301,7 @@ static int ethtool_get_dump_data(struct net_device *dev,
const struct ethtool_ops *ops = dev->ethtool_ops;
void *data = NULL;
if (!dev->ethtool_ops->get_dump_data ||
!dev->ethtool_ops->get_dump_flag)
if (!ops->get_dump_data || !ops->get_dump_flag)
return -EOPNOTSUPP;
if (copy_from_user(&dump, useraddr, sizeof(dump)))
@ -1346,13 +1347,9 @@ static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
info.cmd = ETHTOOL_GET_TS_INFO;
if (phydev && phydev->drv && phydev->drv->ts_info) {
err = phydev->drv->ts_info(phydev, &info);
} else if (dev->ethtool_ops && dev->ethtool_ops->get_ts_info) {
} else if (ops->get_ts_info) {
err = ops->get_ts_info(dev, &info);
} else {
info.so_timestamping =
SOF_TIMESTAMPING_RX_SOFTWARE |