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Message-ID: <20210526132753.3092-1-yuehaibing@huawei.com>
Date: Wed, 26 May 2021 21:27:53 +0800
From: YueHaibing <yuehaibing@...wei.com>
To: <dledford@...hat.com>, <jgg@...pe.ca>, <yuehaibing@...wei.com>
CC: <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] IB/ipoib: use DEVICE_ATTR_*() macro
Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
drivers/infiniband/ulp/ipoib/ipoib_cm.c | 10 ++++----
drivers/infiniband/ulp/ipoib/ipoib_main.c | 28 +++++++++++------------
drivers/infiniband/ulp/ipoib/ipoib_vlan.c | 6 ++---
3 files changed, 21 insertions(+), 23 deletions(-)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 9dbc85a6b702..64c4f78cfa4a 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1503,8 +1503,8 @@ static void ipoib_cm_stale_task(struct work_struct *work)
spin_unlock_irq(&priv->lock);
}
-static ssize_t show_mode(struct device *d, struct device_attribute *attr,
- char *buf)
+static ssize_t mode_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct net_device *dev = to_net_dev(d);
struct ipoib_dev_priv *priv = ipoib_priv(dev);
@@ -1515,8 +1515,8 @@ static ssize_t show_mode(struct device *d, struct device_attribute *attr,
return sysfs_emit(buf, "datagram\n");
}
-static ssize_t set_mode(struct device *d, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t mode_store(struct device *d, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct net_device *dev = to_net_dev(d);
int ret;
@@ -1542,7 +1542,7 @@ static ssize_t set_mode(struct device *d, struct device_attribute *attr,
return (!ret || ret == -EBUSY) ? count : ret;
}
-static DEVICE_ATTR(mode, S_IWUSR | S_IRUGO, show_mode, set_mode);
+static DEVICE_ATTR_RW(mode);
int ipoib_cm_add_mode_attr(struct net_device *dev)
{
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index bbb18087fdab..0104e267f0a8 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -2268,7 +2268,7 @@ void ipoib_intf_free(struct net_device *dev)
kfree(priv);
}
-static ssize_t show_pkey(struct device *dev,
+static ssize_t pkey_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct net_device *ndev = to_net_dev(dev);
@@ -2276,9 +2276,9 @@ static ssize_t show_pkey(struct device *dev,
return sysfs_emit(buf, "0x%04x\n", priv->pkey);
}
-static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
+static DEVICE_ATTR_RO(pkey);
-static ssize_t show_umcast(struct device *dev,
+static ssize_t umcast_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct net_device *ndev = to_net_dev(dev);
@@ -2300,9 +2300,8 @@ void ipoib_set_umcast(struct net_device *ndev, int umcast_val)
clear_bit(IPOIB_FLAG_UMCAST, &priv->flags);
}
-static ssize_t set_umcast(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t umcast_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
unsigned long umcast_val = simple_strtoul(buf, NULL, 0);
@@ -2310,7 +2309,7 @@ static ssize_t set_umcast(struct device *dev,
return count;
}
-static DEVICE_ATTR(umcast, S_IWUSR | S_IRUGO, show_umcast, set_umcast);
+static DEVICE_ATTR_RW(umcast);
int ipoib_add_umcast_attr(struct net_device *dev)
{
@@ -2381,9 +2380,8 @@ static int ipoib_set_mac(struct net_device *dev, void *addr)
return 0;
}
-static ssize_t create_child(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t create_child_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
int pkey;
int ret;
@@ -2398,11 +2396,11 @@ static ssize_t create_child(struct device *dev,
return ret ? ret : count;
}
-static DEVICE_ATTR(create_child, S_IWUSR, NULL, create_child);
+static DEVICE_ATTR_WO(create_child);
-static ssize_t delete_child(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t delete_child_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
int pkey;
int ret;
@@ -2418,7 +2416,7 @@ static ssize_t delete_child(struct device *dev,
return ret ? ret : count;
}
-static DEVICE_ATTR(delete_child, S_IWUSR, NULL, delete_child);
+static DEVICE_ATTR_WO(delete_child);
int ipoib_add_pkey_attr(struct net_device *dev)
{
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index 5958840dbeed..3923c3b1fd93 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
@@ -40,15 +40,15 @@
#include "ipoib.h"
-static ssize_t show_parent(struct device *d, struct device_attribute *attr,
- char *buf)
+static ssize_t parent_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct net_device *dev = to_net_dev(d);
struct ipoib_dev_priv *priv = ipoib_priv(dev);
return sysfs_emit(buf, "%s\n", priv->parent->name);
}
-static DEVICE_ATTR(parent, S_IRUGO, show_parent, NULL);
+static DEVICE_ATTR_RO(parent);
static bool is_child_unique(struct ipoib_dev_priv *ppriv,
struct ipoib_dev_priv *priv)
--
2.17.1
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