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84 lines
2.1 KiB
84 lines
2.1 KiB
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8 years ago
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From 0d37e6edc09c99e683dd91ca0e83bbc0df8477b3 Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Sun, 16 Jul 2017 16:56:10 +0200
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Subject: lib: add uevent_next_seqnum()
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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include/linux/kobject.h | 5 +++++
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lib/kobject_uevent.c | 37 +++++++++++++++++++++++++++++++++++++
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2 files changed, 42 insertions(+)
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diff --git a/include/linux/kobject.h b/include/linux/kobject.h
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index a7dc9e61f433..3d6950c957cd 100644
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9 years ago
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--- a/include/linux/kobject.h
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+++ b/include/linux/kobject.h
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8 years ago
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@@ -34,6 +34,8 @@
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struct sk_buff;
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9 years ago
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+struct sk_buff;
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+
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#ifdef CONFIG_UEVENT_HELPER
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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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@@ -227,4 +229,7 @@ int kobject_action_type(const char *buf, size_t count,
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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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9 years ago
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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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#endif /* _KOBJECT_H_ */
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8 years ago
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diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
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index ac0c7cfa7292..bd13381a410f 100644
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--- a/lib/kobject_uevent.c
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+++ b/lib/kobject_uevent.c
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8 years ago
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@@ -460,6 +460,43 @@ int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group,
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EXPORT_SYMBOL_GPL(broadcast_uevent);
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9 years ago
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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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+ struct uevent_sock *ue_sk;
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+ int err = 0;
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+
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+ /* send netlink message */
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+ mutex_lock(&uevent_sock_mutex);
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+ list_for_each_entry(ue_sk, &uevent_sock_list, list) {
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+ struct sock *uevent_sock = ue_sk->sk;
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+ struct sk_buff *skb2;
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+
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+ skb2 = skb_clone(skb, allocation);
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+ if (!skb2)
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+ break;
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+
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+ err = netlink_broadcast(uevent_sock, skb2, pid, group,
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+ allocation);
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+ if (err)
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+ break;
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+ }
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+ mutex_unlock(&uevent_sock_mutex);
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+
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+ kfree_skb(skb);
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+ return err;
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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 uevent_net_init(struct net *net)
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{
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struct uevent_sock *ue_sk;
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8 years ago
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--
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2.11.0
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