diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/cgroup.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index da0f53690295..ea6033cba947 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -154,7 +154,7 @@ int __cgroup_bpf_update(struct cgroup *cgrp, struct cgroup *parent, /** * __cgroup_bpf_run_filter_skb() - Run a program for packet filtering - * @sk: The socken sending or receiving traffic + * @sk: The socket sending or receiving traffic * @skb: The skb that is being sent or received * @type: The type of program to be exectuted * @@ -189,10 +189,13 @@ int __cgroup_bpf_run_filter_skb(struct sock *sk, prog = rcu_dereference(cgrp->bpf.effective[type]); if (prog) { unsigned int offset = skb->data - skb_network_header(skb); + struct sock *save_sk = skb->sk; + skb->sk = sk; __skb_push(skb, offset); ret = bpf_prog_run_save_cb(prog, skb) == 1 ? 0 : -EPERM; __skb_pull(skb, offset); + skb->sk = save_sk; } rcu_read_unlock(); |