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--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -30,6 +30,8 @@
#define UEVENT_NUM_ENVP 32 /* number of env pointers */
#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
+struct sk_buff;
+
/* path to the userspace helper executed on an event */
extern char uevent_helper[];
@@ -246,6 +248,10 @@ int add_uevent_var(struct kobj_uevent_en
int kobject_action_type(const char *buf, size_t count,
enum kobject_action *type);
+
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+ gfp_t allocation);
+
#else
static inline int kobject_uevent(struct kobject *kobj,
enum kobject_action action)
@@ -262,6 +268,16 @@ static inline int add_uevent_var(struct
static inline int kobject_action_type(const char *buf, size_t count,
enum kobject_action *type)
{ return -EINVAL; }
+
+void kfree_skb(struct sk_buff *);
+
+static inline int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+ gfp_t allocation)
+{
+ kfree_skb(skb);
+ return 0;
+}
+
#endif
#endif /* _KOBJECT_H_ */
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -377,6 +377,43 @@ int add_uevent_var(struct kobj_uevent_en
EXPORT_SYMBOL_GPL(add_uevent_var);
#if defined(CONFIG_NET)
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+ gfp_t allocation)
+{
+ struct uevent_sock *ue_sk;
+ int err = 0;
+
+ /* send netlink message */
+ mutex_lock(&uevent_sock_mutex);
+ list_for_each_entry(ue_sk, &uevent_sock_list, list) {
+ struct sock *uevent_sock = ue_sk->sk;
+ struct sk_buff *skb2;
+
+ skb2 = skb_clone(skb, allocation);
+ if (!skb2)
+ break;
+
+ err = netlink_broadcast(uevent_sock, skb2, pid, group,
+ allocation);
+ if (err)
+ break;
+ }
+ mutex_unlock(&uevent_sock_mutex);
+
+ kfree_skb(skb);
+ return err;
+}
+#else
+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
+ gfp_t allocation)
+{
+ kfree_skb(skb);
+ return 0;
+}
+#endif
+EXPORT_SYMBOL_GPL(broadcast_uevent);
+
+#if defined(CONFIG_NET)
static int uevent_net_init(struct net *net)
{
struct uevent_sock *ue_sk;
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