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-rw-r--r--include/linux/netdevice.h3
-rw-r--r--net/core/dev.c12
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv4/ipip.c2
-rw-r--r--net/ipv6/sit.c2
5 files changed, 16 insertions, 5 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d971346b0340..71caf7a5e6c6 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2392,6 +2392,9 @@ extern int netdev_notice(const struct net_device *dev, const char *format, ...)
2392extern int netdev_info(const struct net_device *dev, const char *format, ...) 2392extern int netdev_info(const struct net_device *dev, const char *format, ...)
2393 __attribute__ ((format (printf, 2, 3))); 2393 __attribute__ ((format (printf, 2, 3)));
2394 2394
2395#define MODULE_ALIAS_NETDEV(device) \
2396 MODULE_ALIAS("netdev-" device)
2397
2395#if defined(DEBUG) 2398#if defined(DEBUG)
2396#define netdev_dbg(__dev, format, args...) \ 2399#define netdev_dbg(__dev, format, args...) \
2397 netdev_printk(KERN_DEBUG, __dev, format, ##args) 2400 netdev_printk(KERN_DEBUG, __dev, format, ##args)
diff --git a/net/core/dev.c b/net/core/dev.c
index 8ae6631abcc2..6561021d22d1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1114,13 +1114,21 @@ EXPORT_SYMBOL(netdev_bonding_change);
1114void dev_load(struct net *net, const char *name) 1114void dev_load(struct net *net, const char *name)
1115{ 1115{
1116 struct net_device *dev; 1116 struct net_device *dev;
1117 int no_module;
1117 1118
1118 rcu_read_lock(); 1119 rcu_read_lock();
1119 dev = dev_get_by_name_rcu(net, name); 1120 dev = dev_get_by_name_rcu(net, name);
1120 rcu_read_unlock(); 1121 rcu_read_unlock();
1121 1122
1122 if (!dev && capable(CAP_NET_ADMIN)) 1123 no_module = !dev;
1123 request_module("%s", name); 1124 if (no_module && capable(CAP_NET_ADMIN))
1125 no_module = request_module("netdev-%s", name);
1126 if (no_module && capable(CAP_SYS_MODULE)) {
1127 if (!request_module("%s", name))
1128 pr_err("Loading kernel module for a network device "
1129"with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s "
1130"instead\n", name);
1131 }
1124} 1132}
1125EXPORT_SYMBOL(dev_load); 1133EXPORT_SYMBOL(dev_load);
1126 1134
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 6613edfac28c..d1d0e2c256fc 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1765,4 +1765,4 @@ module_exit(ipgre_fini);
1765MODULE_LICENSE("GPL"); 1765MODULE_LICENSE("GPL");
1766MODULE_ALIAS_RTNL_LINK("gre"); 1766MODULE_ALIAS_RTNL_LINK("gre");
1767MODULE_ALIAS_RTNL_LINK("gretap"); 1767MODULE_ALIAS_RTNL_LINK("gretap");
1768MODULE_ALIAS("gre0"); 1768MODULE_ALIAS_NETDEV("gre0");
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 988f52fba54a..a5f58e7cbb26 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -913,4 +913,4 @@ static void __exit ipip_fini(void)
913module_init(ipip_init); 913module_init(ipip_init);
914module_exit(ipip_fini); 914module_exit(ipip_fini);
915MODULE_LICENSE("GPL"); 915MODULE_LICENSE("GPL");
916MODULE_ALIAS("tunl0"); 916MODULE_ALIAS_NETDEV("tunl0");
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8ce38f10a547..d2c16e10f650 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1290,4 +1290,4 @@ static int __init sit_init(void)
1290module_init(sit_init); 1290module_init(sit_init);
1291module_exit(sit_cleanup); 1291module_exit(sit_cleanup);
1292MODULE_LICENSE("GPL"); 1292MODULE_LICENSE("GPL");
1293MODULE_ALIAS("sit0"); 1293MODULE_ALIAS_NETDEV("sit0");