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-rw-r--r--net/netfilter/nf_conntrack_ftp.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index a186799f654..4bb669c7780 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -335,15 +335,17 @@ static void update_nl_seq(u32 nl_seq, struct nf_ct_ftp_master *info, int dir,
if (info->seq_aft_nl[dir][i] == nl_seq)
return;
- if (oldest == info->seq_aft_nl_num[dir]
- || before(info->seq_aft_nl[dir][i], oldest))
+ if (oldest == info->seq_aft_nl_num[dir] ||
+ before(info->seq_aft_nl[dir][i],
+ info->seq_aft_nl[dir][oldest]))
oldest = i;
}
if (info->seq_aft_nl_num[dir] < NUM_SEQ_TO_REMEMBER) {
info->seq_aft_nl[dir][info->seq_aft_nl_num[dir]++] = nl_seq;
nf_conntrack_event_cache(IPCT_HELPINFO_VOLATILE, skb);
- } else if (oldest != NUM_SEQ_TO_REMEMBER) {
+ } else if (oldest != NUM_SEQ_TO_REMEMBER &&
+ after(nl_seq, info->seq_aft_nl[dir][oldest])) {
info->seq_aft_nl[dir][oldest] = nl_seq;
nf_conntrack_event_cache(IPCT_HELPINFO_VOLATILE, skb);
}