From 241d1af4c11a75d4c17ecc0193a6ab60553efbfc Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Thu, 15 Jul 2021 11:11:26 +0200 Subject: [PATCH] netfilter: nft_compat: use nfnetlink_unicast() Use nfnetlink_unicast() which already translates EAGAIN to ENOBUFS, since EAGAIN is reserved to report missing module dependencies to the nfnetlink core. e0241ae6ac59 ("netfilter: use nfnetlink_unicast() forgot to update this spot. Reported-by: Yajun Deng Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nft_compat.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index 639c337..272bcdb 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -683,14 +683,12 @@ static int nfnl_compat_get_rcu(struct sk_buff *skb, goto out_put; } - ret = netlink_unicast(info->sk, skb2, NETLINK_CB(skb).portid, - MSG_DONTWAIT); - if (ret > 0) - ret = 0; + ret = nfnetlink_unicast(skb2, info->net, NETLINK_CB(skb).portid); out_put: rcu_read_lock(); module_put(THIS_MODULE); - return ret == -EAGAIN ? -ENOBUFS : ret; + + return ret; } static const struct nla_policy nfnl_compat_policy_get[NFTA_COMPAT_MAX+1] = { -- 2.7.4