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netfilter: nfnetlink: remove static declaration from err_list 

Otherwise, different subsys will race to access the err_list, with holding
the different nfnl_lock(subsys_id).

But this will not happen now, since ->call_batch is only implemented by
nftables, so the err_list is protected by nfnl_lock(NFNL_SUBSYS_NFTABLES).

Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Liping Zhang 2017-02-18 10:35:47 +08:00 committed by Pablo Neira Ayuso
parent ba896a05ad
commit 4eba8b78e1
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nfnetlink.c
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@ -279,7 +279,7 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,
struct net *net = sock_net(skb->sk);
const struct nfnetlink_subsystem *ss;
const struct nfnl_callback *nc;
static LIST_HEAD(err_list);
LIST_HEAD(err_list);
u32 status;
int err;