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path: root/drivers/net/gtp.c
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Diffstat (limited to 'drivers/net/gtp.c')
-rw-r--r--drivers/net/gtp.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 8b742edf793d..a010e0a11c33 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -38,7 +38,6 @@ struct pdp_ctx {
struct hlist_node hlist_addr;
union {
- u64 tid;
struct {
u64 tid;
u16 flow;
@@ -1244,43 +1243,46 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb,
struct netlink_callback *cb)
{
struct gtp_dev *last_gtp = (struct gtp_dev *)cb->args[2], *gtp;
+ int i, j, bucket = cb->args[0], skip = cb->args[1];
struct net *net = sock_net(skb->sk);
- struct gtp_net *gn = net_generic(net, gtp_net_id);
- unsigned long tid = cb->args[1];
- int i, k = cb->args[0], ret;
struct pdp_ctx *pctx;
+ struct gtp_net *gn;
+
+ gn = net_generic(net, gtp_net_id);
if (cb->args[4])
return 0;
+ rcu_read_lock();
list_for_each_entry_rcu(gtp, &gn->gtp_dev_list, list) {
if (last_gtp && last_gtp != gtp)
continue;
else
last_gtp = NULL;
- for (i = k; i < gtp->hash_size; i++) {
- hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i], hlist_tid) {
- if (tid && tid != pctx->u.tid)
- continue;
- else
- tid = 0;
-
- ret = gtp_genl_fill_info(skb,
- NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq,
- cb->nlh->nlmsg_type, pctx);
- if (ret < 0) {
+ for (i = bucket; i < gtp->hash_size; i++) {
+ j = 0;
+ hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i],
+ hlist_tid) {
+ if (j >= skip &&
+ gtp_genl_fill_info(skb,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+ cb->nlh->nlmsg_type, pctx)) {
cb->args[0] = i;
- cb->args[1] = pctx->u.tid;
+ cb->args[1] = j;
cb->args[2] = (unsigned long)gtp;
goto out;
}
+ j++;
}
+ skip = 0;
}
+ bucket = 0;
}
cb->args[4] = 1;
out:
+ rcu_read_unlock();
return skb->len;
}