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a4cfd32917
Manually rebuild hack patches: - 200-tools_portability.patch - 204-module_strip.patch - 210-darwin_scripts_include.patch - 251-kconfig.patch - 421-drivers-mtd-parsers-add-nvmem-support-to-cmdlinepart.patch - 610-net-page_pool-try-to-free-deferred-skbs-while-waitin.patch - 721-net-add-packet-mangeling.patch - 725-net-phy-aquantia-add-PHY_IDs-for-AQR112-variants.patch - 760-net-usb-r8152-add-LED-configuration-from-OF.patch - 800-GPIO-add-named-gpio-exports.patch - 901-debloat_sock_diag.patch - 902-debloat_proc.patch - 904-debloat_dma_buf.patch - 910-kobject_uevent.patch - 911-kobject_add_broadcast_uevent.patch - 930-Revert-Revert-Revert-driver-core-Set-fw_devlink-on-b.patch Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com> [ improve commit title ] Link: https://github.com/openwrt/openwrt/pull/16547 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
77 lines
2.0 KiB
Diff
77 lines
2.0 KiB
Diff
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 broadcast_uevent()
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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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--- a/include/linux/kobject.h
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+++ b/include/linux/kobject.h
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@@ -32,6 +32,8 @@
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#define UEVENT_NUM_ENVP 64 /* 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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#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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@@ -221,4 +223,7 @@ int add_uevent_var(struct kobj_uevent_en
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u64 uevent_next_seqnum(void);
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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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--- a/lib/kobject_uevent.c
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+++ b/lib/kobject_uevent.c
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@@ -699,6 +699,43 @@ 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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+ 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_broadcast(struct sock *usk, struct sk_buff *skb,
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struct netlink_ext_ack *extack)
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{
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