diff options
| author | Wang Yufen <wangyufen@huawei.com> | 2022-09-28 14:49:43 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-09-30 14:27:43 +0300 |
| commit | aff3069954ef534bfbfa1f3d196cb1a6fa8b01b6 (patch) | |
| tree | e294ad64e9b3bb59c2d4549d7a7d9a9cc5907997 /drivers/net/tun.c | |
| parent | ae404c219d6029030275c3f498028eb536fdd32d (diff) | |
| download | linux-aff3069954ef534bfbfa1f3d196cb1a6fa8b01b6.tar.xz | |
net: tun: Convert to use sysfs_emit() APIs
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 9064ff053a16..27c6d235cbda 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -2664,7 +2664,7 @@ 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)); + return sysfs_emit(buf, "0x%x\n", tun_flags(tun)); } static ssize_t owner_show(struct device *dev, struct device_attribute *attr, @@ -2672,9 +2672,9 @@ static ssize_t owner_show(struct device *dev, struct device_attribute *attr, { struct tun_struct *tun = netdev_priv(to_net_dev(dev)); return uid_valid(tun->owner)? - sprintf(buf, "%u\n", - from_kuid_munged(current_user_ns(), tun->owner)): - sprintf(buf, "-1\n"); + sysfs_emit(buf, "%u\n", + from_kuid_munged(current_user_ns(), tun->owner)) : + sysfs_emit(buf, "-1\n"); } static ssize_t group_show(struct device *dev, struct device_attribute *attr, @@ -2682,9 +2682,9 @@ static ssize_t group_show(struct device *dev, struct device_attribute *attr, { struct tun_struct *tun = netdev_priv(to_net_dev(dev)); return gid_valid(tun->group) ? - sprintf(buf, "%u\n", - from_kgid_munged(current_user_ns(), tun->group)): - sprintf(buf, "-1\n"); + sysfs_emit(buf, "%u\n", + from_kgid_munged(current_user_ns(), tun->group)) : + sysfs_emit(buf, "-1\n"); } static DEVICE_ATTR_RO(tun_flags); |