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Viewing changes to net/netlink/af_netlink.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
net/netlink/af_netlink.c
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        NETLINK_CB(skb).pid     = nlk->pid;
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        NETLINK_CB(skb).dst_group = dst_group;
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        NETLINK_CB(skb).loginuid = audit_get_loginuid(current);
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        NETLINK_CB(skb).sessionid = audit_get_sessionid(current);
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        security_task_getsecid(current, &(NETLINK_CB(skb).sid));
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        memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
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        /* What can I do? Netlink is asynchronous, so that
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           we will have to save current capabilities to
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           check them, when this message will be delivered
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           to corresponding kernel module.   --ANK (980802)
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         */
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        err = -EFAULT;
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        if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
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                kfree_skb(skb);
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}
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EXPORT_SYMBOL(netlink_kernel_release);
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static void listeners_free_rcu(struct rcu_head *head)
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{
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        kfree(container_of(head, struct listeners, rcu));
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}
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int __netlink_change_ngroups(struct sock *sk, unsigned int groups)
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{
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        struct listeners *new, *old;
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                memcpy(new->masks, old->masks, NLGRPSZ(tbl->groups));
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                rcu_assign_pointer(tbl->listeners, new);
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                call_rcu(&old->rcu, listeners_free_rcu);
 
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                kfree_rcu(old, rcu);
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        }
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        tbl->groups = groups;
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