Re: [net-next] net: bonding: Convert to use sysfs_emit() APIs

Re: [net-next] net: bonding: Convert to use sysfs_emit() APIs

[Nikolay Aleksandrov]

On 28/09/2022 14:40, Wang Yufen wrote:
> Follow the advice of the Documentation/filesystems/sysfs.rst and show()
> should only use sysfs_emit() or sysfs_emit_at() when formatting the value
> to be returned to user space.
> 
> Signed-off-by: Wang Yufen <wangyufen@huawei.com>
> ---
>  drivers/net/bonding/bond_sysfs_slave.c | 24 ++++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 

This converts only the bonding partially (bond_sysfs_slave.c).
Why not do it all in one go?

Re: [net-next] net: bonding: Convert to use sysfs_emit() APIs

[wangyufen]

在 2022/9/28 19:27, Nikolay Aleksandrov 写道:
> On 28/09/2022 14:40, Wang Yufen wrote:
>> Follow the advice of the Documentation/filesystems/sysfs.rst and show()
>> should only use sysfs_emit() or sysfs_emit_at() when formatting the value
>> to be returned to user space.
>>
>> Signed-off-by: Wang Yufen <wangyufen@huawei.com>
>> ---
>>   drivers/net/bonding/bond_sysfs_slave.c | 24 ++++++++++++------------
>>   1 file changed, 12 insertions(+), 12 deletions(-)
>>
> This converts only the bonding partially (bond_sysfs_slave.c).
> Why not do it all in one go?
>
Sorry, my mistake, I missed a place and bond_sysfs.c will send v2 together.


>

[net-next] net: bonding: Convert to use sysfs_emit() APIs

[Wang Yufen]

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the value
to be returned to user space.

Signed-off-by: Wang Yufen <wangyufen@huawei.com>
---
 drivers/net/bonding/bond_sysfs_slave.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c
index 69b0a37..6cc53d2 100644
--- a/drivers/net/bonding/bond_sysfs_slave.c
+++ b/drivers/net/bonding/bond_sysfs_slave.c
@@ -22,30 +22,30 @@ static ssize_t state_show(struct slave *slave, char *buf)
 {
 	switch (bond_slave_state(slave)) {
 	case BOND_STATE_ACTIVE:
-		return sprintf(buf, "active\n");
+		return sysfs_emit(buf, "active\n");
 	case BOND_STATE_BACKUP:
-		return sprintf(buf, "backup\n");
+		return sysfs_emit(buf, "backup\n");
 	default:
-		return sprintf(buf, "UNKNOWN\n");
+		return sysfs_emit(buf, "UNKNOWN\n");
 	}
 }
 static SLAVE_ATTR_RO(state);
 
 static ssize_t mii_status_show(struct slave *slave, char *buf)
 {
-	return sprintf(buf, "%s\n", bond_slave_link_status(slave->link));
+	return sysfs_emit(buf, "%s\n", bond_slave_link_status(slave->link));
 }
 static SLAVE_ATTR_RO(mii_status);
 
 static ssize_t link_failure_count_show(struct slave *slave, char *buf)
 {
-	return sprintf(buf, "%d\n", slave->link_failure_count);
+	return sysfs_emit(buf, "%d\n", slave->link_failure_count);
 }
 static SLAVE_ATTR_RO(link_failure_count);
 
 static ssize_t perm_hwaddr_show(struct slave *slave, char *buf)
 {
-	return sprintf(buf, "%*phC\n",
+	return sysfs_emit(buf, "%*phC\n",
 		       slave->dev->addr_len,
 		       slave->perm_hwaddr);
 }
@@ -53,7 +53,7 @@ static ssize_t perm_hwaddr_show(struct slave *slave, char *buf)
 
 static ssize_t queue_id_show(struct slave *slave, char *buf)
 {
-	return sprintf(buf, "%d\n", slave->queue_id);
+	return sysfs_emit(buf, "%d\n", slave->queue_id);
 }
 static SLAVE_ATTR_RO(queue_id);
 
@@ -68,7 +68,7 @@ static ssize_t ad_aggregator_id_show(struct slave *slave, char *buf)
 				       agg->aggregator_identifier);
 	}
 
-	return sprintf(buf, "N/A\n");
+	return sysfs_emit(buf, "N/A\n");
 }
 static SLAVE_ATTR_RO(ad_aggregator_id);
 
@@ -79,11 +79,11 @@ static ssize_t ad_actor_oper_port_state_show(struct slave *slave, char *buf)
 	if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) {
 		ad_port = &SLAVE_AD_INFO(slave)->port;
 		if (ad_port->aggregator)
-			return sprintf(buf, "%u\n",
+			return sysfs_emit(buf, "%u\n",
 				       ad_port->actor_oper_port_state);
 	}
 
-	return sprintf(buf, "N/A\n");
+	return sysfs_emit(buf, "N/A\n");
 }
 static SLAVE_ATTR_RO(ad_actor_oper_port_state);
 
@@ -94,11 +94,11 @@ static ssize_t ad_partner_oper_port_state_show(struct slave *slave, char *buf)
 	if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) {
 		ad_port = &SLAVE_AD_INFO(slave)->port;
 		if (ad_port->aggregator)
-			return sprintf(buf, "%u\n",
+			return sysfs_emit(buf, "%u\n",
 				       ad_port->partner_oper.port_state);
 	}
 
-	return sprintf(buf, "N/A\n");
+	return sysfs_emit(buf, "N/A\n");
 }
 static SLAVE_ATTR_RO(ad_partner_oper_port_state);
 
-- 
1.8.3.1