OpenWrt – Blame information for rev 3
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Rev | Author | Line No. | Line |
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1 | office | 1 | From 0d37e6edc09c99e683dd91ca0e83bbc0df8477b3 Mon Sep 17 00:00:00 2001 |
2 | From: Felix Fietkau <nbd@nbd.name> |
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3 | Date: Sun, 16 Jul 2017 16:56:10 +0200 |
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4 | Subject: lib: add uevent_next_seqnum() |
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5 | |||
6 | Signed-off-by: Felix Fietkau <nbd@nbd.name> |
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7 | --- |
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8 | include/linux/kobject.h | 5 +++++ |
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9 | lib/kobject_uevent.c | 37 +++++++++++++++++++++++++++++++++++++ |
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10 | 2 files changed, 42 insertions(+) |
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11 | |||
12 | --- a/include/linux/kobject.h |
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13 | +++ b/include/linux/kobject.h |
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14 | @@ -32,6 +32,8 @@ |
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15 | #define UEVENT_NUM_ENVP 32 /* number of env pointers */ |
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16 | #define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */ |
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17 | |||
18 | +struct sk_buff; |
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19 | + |
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20 | #ifdef CONFIG_UEVENT_HELPER |
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21 | /* path to the userspace helper executed on an event */ |
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22 | extern char uevent_helper[]; |
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3 | office | 23 | @@ -224,4 +226,7 @@ int kobject_synth_uevent(struct kobject |
1 | office | 24 | __printf(2, 3) |
25 | int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...); |
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26 | |||
27 | +int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group, |
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28 | + gfp_t allocation); |
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29 | + |
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30 | #endif /* _KOBJECT_H_ */ |
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31 | --- a/lib/kobject_uevent.c |
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32 | +++ b/lib/kobject_uevent.c |
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33 | @@ -599,6 +599,43 @@ int add_uevent_var(struct kobj_uevent_en |
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34 | EXPORT_SYMBOL_GPL(add_uevent_var); |
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35 | |||
36 | #if defined(CONFIG_NET) |
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37 | +int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group, |
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38 | + gfp_t allocation) |
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39 | +{ |
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40 | + struct uevent_sock *ue_sk; |
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41 | + int err = 0; |
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42 | + |
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43 | + /* send netlink message */ |
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44 | + mutex_lock(&uevent_sock_mutex); |
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45 | + list_for_each_entry(ue_sk, &uevent_sock_list, list) { |
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46 | + struct sock *uevent_sock = ue_sk->sk; |
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47 | + struct sk_buff *skb2; |
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48 | + |
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49 | + skb2 = skb_clone(skb, allocation); |
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50 | + if (!skb2) |
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51 | + break; |
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52 | + |
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53 | + err = netlink_broadcast(uevent_sock, skb2, pid, group, |
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54 | + allocation); |
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55 | + if (err) |
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56 | + break; |
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57 | + } |
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58 | + mutex_unlock(&uevent_sock_mutex); |
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59 | + |
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60 | + kfree_skb(skb); |
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61 | + return err; |
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62 | +} |
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63 | +#else |
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64 | +int broadcast_uevent(struct sk_buff *skb, __u32 pid, __u32 group, |
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65 | + gfp_t allocation) |
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66 | +{ |
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67 | + kfree_skb(skb); |
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68 | + return 0; |
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69 | +} |
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70 | +#endif |
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71 | +EXPORT_SYMBOL_GPL(broadcast_uevent); |
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72 | + |
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73 | +#if defined(CONFIG_NET) |
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74 | static int uevent_net_init(struct net *net) |
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75 | { |
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76 | struct uevent_sock *ue_sk; |