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bonding: Return nothing for not applicable values 

From: Wagner Ferenc <wferi@niif.hu>

The previous code returned '\n' (that is, a single empty line)
from most files, with one exception (xmit_hash_policy), where
it returned 'NA\n'.  This patch consolidates each file to return
nothing at all if not applicable, not even a '\n'.

I find this behaviour more usual, more useful, more efficient
and shorter to code from both sides.

Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Wagner Ferenc 2007-12-06 23:40:29 -08:00 committed by Jeff Garzik
parent 7bd4650895
commit 16cd0160d5
1 changed files with 4 additions and 21 deletions
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25
drivers/net/bonding/bond_sysfs.c
View File

@ -455,14 +455,11 @@ static ssize_t bonding_show_xmit_hash(struct device *d,
struct device_attribute *attr,
char *buf)
{
int count;
int count = 0;
struct bonding *bond = to_bond(d);
if ((bond->params.mode != BOND_MODE_XOR) &&
(bond->params.mode != BOND_MODE_8023AD)) {
// Not Applicable
count = sprintf(buf, "NA\n");
} else {
if ((bond->params.mode == BOND_MODE_XOR) ||
(bond->params.mode == BOND_MODE_8023AD)) {
count = sprintf(buf, "%s %d\n",
xmit_hashtype_tbl[bond->params.xmit_policy].modename,
bond->params.xmit_policy);
@ -1079,8 +1076,6 @@ static ssize_t bonding_show_primary(struct device *d,
if (bond->primary_slave)
count = sprintf(buf, "%s\n", bond->primary_slave->dev->name);
else
count = sprintf(buf, "\n");
return count;
}
@ -1186,7 +1181,7 @@ static ssize_t bonding_show_active_slave(struct device *d,
{
struct slave *curr;
struct bonding *bond = to_bond(d);
int count;
int count = 0;
read_lock(&bond->curr_slave_lock);
curr = bond->curr_active_slave;
@ -1194,8 +1189,6 @@ static ssize_t bonding_show_active_slave(struct device *d,
if (USES_PRIMARY(bond->params.mode) && curr)
count = sprintf(buf, "%s\n", curr->dev->name);
else
count = sprintf(buf, "\n");
return count;
}
@ -1309,8 +1302,6 @@ static ssize_t bonding_show_ad_aggregator(struct device *d,
struct ad_info ad_info;
count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.aggregator_id);
}
else
count = sprintf(buf, "\n");
return count;
}
@ -1331,8 +1322,6 @@ static ssize_t bonding_show_ad_num_ports(struct device *d,
struct ad_info ad_info;
count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0: ad_info.ports);
}
else
count = sprintf(buf, "\n");
return count;
}
@ -1353,8 +1342,6 @@ static ssize_t bonding_show_ad_actor_key(struct device *d,
struct ad_info ad_info;
count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.actor_key);
}
else
count = sprintf(buf, "\n");
return count;
}
@ -1375,8 +1362,6 @@ static ssize_t bonding_show_ad_partner_key(struct device *d,
struct ad_info ad_info;
count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.partner_key);
}
else
count = sprintf(buf, "\n");
return count;
}
@ -1401,8 +1386,6 @@ static ssize_t bonding_show_ad_partner_mac(struct device *d,
print_mac(mac, ad_info.partner_system));
}
}
else
count = sprintf(buf, "\n");
return count;
}