diff options
Diffstat (limited to 'net/core/net-sysfs.c')
| -rw-r--r-- | net/core/net-sysfs.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 017a8bacfb2..28c5f5aa7ca 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -18,11 +18,9 @@ #include <net/sock.h> #include <net/net_namespace.h> #include <linux/rtnetlink.h> -#include <linux/wireless.h> #include <linux/vmalloc.h> #include <linux/export.h> #include <linux/jiffies.h> -#include <net/wext.h> #include "net-sysfs.h" @@ -73,11 +71,12 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len, int (*set)(struct net_device *, unsigned long)) { - struct net_device *net = to_net_dev(dev); + struct net_device *netdev = to_net_dev(dev); + struct net *net = dev_net(netdev); unsigned long new; int ret = -EINVAL; - if (!capable(CAP_NET_ADMIN)) + if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) return -EPERM; ret = kstrtoul(buf, 0, &new); @@ -87,8 +86,8 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr, if (!rtnl_trylock()) return restart_syscall(); - if (dev_isalive(net)) { - if ((ret = (*set)(net, new)) == 0) + if (dev_isalive(netdev)) { + if ((ret = (*set)(netdev, new)) == 0) ret = len; } rtnl_unlock(); @@ -264,6 +263,9 @@ static ssize_t store_tx_queue_len(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + return netdev_store(dev, attr, buf, len, change_tx_queue_len); } @@ -271,10 +273,11 @@ static ssize_t store_ifalias(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { struct net_device *netdev = to_net_dev(dev); + struct net *net = dev_net(netdev); size_t count = len; ssize_t ret; - if (!capable(CAP_NET_ADMIN)) + if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) return -EPERM; /* ignore trailing newline */ @@ -1331,7 +1334,6 @@ struct kobj_ns_type_operations net_ns_type_operations = { }; EXPORT_SYMBOL_GPL(net_ns_type_operations); -#ifdef CONFIG_HOTPLUG static int netdev_uevent(struct device *d, struct kobj_uevent_env *env) { struct net_device *dev = to_net_dev(d); @@ -1350,7 +1352,6 @@ static int netdev_uevent(struct device *d, struct kobj_uevent_env *env) exit: return retval; } -#endif /* * netdev_release -- destroy and free a dead device. @@ -1379,9 +1380,7 @@ static struct class net_class = { #ifdef CONFIG_SYSFS .dev_attrs = net_class_attributes, #endif /* CONFIG_SYSFS */ -#ifdef CONFIG_HOTPLUG .dev_uevent = netdev_uevent, -#endif .ns_type = &net_ns_type_operations, .namespace = net_namespace, }; |