diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2021-05-19 10:38:50 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-05-19 12:01:44 -0700 |
| commit | bc6d076daa8c66c79bdceda963fa66273103a276 (patch) | |
| tree | 7a52b2b5e55c0db11b91ada31650c981762e0b93 | |
| parent | 1756055de28412b6820b1221b1ab0092f6e780cb (diff) | |
tun: use DEVICE_ATTR_RO macro
Use DEVICE_ATTR_RO helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tun.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 84f832806313..2ced021f4faf 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -2559,15 +2559,15 @@ static int tun_flags(struct tun_struct *tun) return tun->flags & (TUN_FEATURES | IFF_PERSIST | IFF_TUN | IFF_TAP); } -static ssize_t tun_show_flags(struct device *dev, struct device_attribute *attr, +static ssize_t tun_flags_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tun_struct *tun = netdev_priv(to_net_dev(dev)); return sprintf(buf, "0x%x\n", tun_flags(tun)); } -static ssize_t tun_show_owner(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t owner_show(struct device *dev, struct device_attribute *attr, + char *buf) { struct tun_struct *tun = netdev_priv(to_net_dev(dev)); return uid_valid(tun->owner)? @@ -2576,8 +2576,8 @@ static ssize_t tun_show_owner(struct device *dev, struct device_attribute *attr, sprintf(buf, "-1\n"); } -static ssize_t tun_show_group(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t group_show(struct device *dev, struct device_attribute *attr, + char *buf) { struct tun_struct *tun = netdev_priv(to_net_dev(dev)); return gid_valid(tun->group) ? @@ -2586,9 +2586,9 @@ static ssize_t tun_show_group(struct device *dev, struct device_attribute *attr, sprintf(buf, "-1\n"); } -static DEVICE_ATTR(tun_flags, 0444, tun_show_flags, NULL); -static DEVICE_ATTR(owner, 0444, tun_show_owner, NULL); -static DEVICE_ATTR(group, 0444, tun_show_group, NULL); +static DEVICE_ATTR_RO(tun_flags); +static DEVICE_ATTR_RO(owner); +static DEVICE_ATTR_RO(group); static struct attribute *tun_dev_attrs[] = { &dev_attr_tun_flags.attr, |