mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 06:57:57 +00:00
70 lines
1.8 KiB
Diff
70 lines
1.8 KiB
Diff
--- a/include/linux/kobject.h
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+++ b/include/linux/kobject.h
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@@ -30,6 +30,8 @@
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#define UEVENT_NUM_ENVP 32 /* number of env pointers */
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#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
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+struct sk_buff;
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+
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/* path to the userspace helper executed on an event */
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extern char uevent_helper[];
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@@ -208,6 +210,10 @@ int add_uevent_var(struct kobj_uevent_en
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int kobject_action_type(const char *buf, size_t count,
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enum kobject_action *type);
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+
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+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation);
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+
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#else
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static inline int kobject_uevent(struct kobject *kobj,
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enum kobject_action action)
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@@ -224,6 +230,16 @@ static inline int add_uevent_var(struct
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static inline int kobject_action_type(const char *buf, size_t count,
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enum kobject_action *type)
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{ return -EINVAL; }
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+
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+void kfree_skb(struct sk_buff *);
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+
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+static inline int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation)
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+{
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+ kfree_skb(skb);
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+ return 0;
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+}
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+
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#endif
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#endif /* _KOBJECT_H_ */
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--- a/lib/kobject_uevent.c
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+++ b/lib/kobject_uevent.c
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@@ -330,6 +330,27 @@ int add_uevent_var(struct kobj_uevent_en
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EXPORT_SYMBOL_GPL(add_uevent_var);
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#if defined(CONFIG_NET)
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+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation)
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+{
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+ if (!uevent_sock) {
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+ kfree_skb(skb);
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+ return -ENODEV;
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+ }
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+
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+ return netlink_broadcast(uevent_sock, skb, pid, group, allocation);;
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+}
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+#else
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+int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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+ gfp_t allocation)
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+{
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+ kfree_skb(skb);
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+ return 0;
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+}
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+#endif
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+EXPORT_SYMBOL_GPL(broadcast_uevent);
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+
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+#if defined(CONFIG_NET)
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static int __init kobject_uevent_init(void)
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{
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uevent_sock = netlink_kernel_create(&init_net, NETLINK_KOBJECT_UEVENT,
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