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authorGabor Juhos <juhosg@openwrt.org>2010-08-31 20:06:25 +0000
committerGabor Juhos <juhosg@openwrt.org>2010-08-31 20:06:25 +0000
commit6c1d3b0a79b659e47f8f826f0bc5f197706e949c (patch)
tree371aa379558e4f5babfcc6f0e88290ef2191f165 /target/linux/generic/patches-2.6.35
parent08755b8858df151970fa88f95ea459b54a5f5556 (diff)
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generic: introduce broadcast_uevent function
SVN-Revision: 22858
Diffstat (limited to 'target/linux/generic/patches-2.6.35')
-rw-r--r--target/linux/generic/patches-2.6.35/223-kobject-add-broadcast_uevent.patch85
1 files changed, 85 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.35/223-kobject-add-broadcast_uevent.patch b/target/linux/generic/patches-2.6.35/223-kobject-add-broadcast_uevent.patch
new file mode 100644
index 0000000000..c09e13e11c
--- /dev/null
+++ b/target/linux/generic/patches-2.6.35/223-kobject-add-broadcast_uevent.patch
@@ -0,0 +1,85 @@
+--- 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;