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wireless: clean up sysfs code using %pM 

Remove converting the MAC address to a string by a direct byte
conversion and use %pM instead, since the code is now boilerplate
use a macro to define the show functions, and also use the shorter
__ATTR_RO macro to define the attributes.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-10-28 14:00:54 +01:00 committed by John W. Linville
parent 96dd603f38
commit 4f6d4d1e36
1 changed files with 10 additions and 15 deletions
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25
net/wireless/sysfs.c
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@ -23,25 +23,20 @@ static inline struct cfg80211_registered_device *dev_to_rdev(
return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
}
static ssize_t _show_index(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n", dev_to_rdev(dev)->idx);
#define SHOW_FMT(name, fmt, member) \
static ssize_t name ## _show(struct device *dev, \
struct device_attribute *attr, \
char *buf) \
{ \
return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \
}
static ssize_t _show_permaddr(struct device *dev,
struct device_attribute *attr,
char *buf)
{
unsigned char *addr = dev_to_rdev(dev)->wiphy.perm_addr;
return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
}
SHOW_FMT(index, "%d", idx);
SHOW_FMT(macaddress, "%pM", wiphy.perm_addr);
static struct device_attribute ieee80211_dev_attrs[] = {
__ATTR(index, S_IRUGO, _show_index, NULL),
__ATTR(macaddress, S_IRUGO, _show_permaddr, NULL),
__ATTR_RO(index),
__ATTR_RO(macaddress),
{}
};