4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe Leroy <[email protected]>

commit da2f27e9e615d1c799c9582b15262458da61fddc upstream.

In commit 82de0be6862cd ("netfilter: Add helper array
register/unregister functions"),
struct nf_conntrack_helper sip[MAX_PORTS][4] was changed to
sip[MAX_PORTS * 4], so the memory init should have been changed to
memset(&sip[4 * i], 0, 4 * sizeof(sip[i]));

But as the sip[] table is allocated in the BSS, it is already set to 0

Fixes: 82de0be6862cd ("netfilter: Add helper array register/unregister 
functions")
Signed-off-by: Christophe Leroy <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 net/netfilter/nf_conntrack_sip.c |    2 --
 1 file changed, 2 deletions(-)

--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1630,8 +1630,6 @@ static int __init nf_conntrack_sip_init(
                ports[ports_c++] = SIP_PORT;
 
        for (i = 0; i < ports_c; i++) {
-               memset(&sip[i], 0, sizeof(sip[i]));
-
                nf_ct_helper_init(&sip[4 * i], AF_INET, IPPROTO_UDP, "sip",
                                  SIP_PORT, ports[i], i, sip_exp_policy,
                                  SIP_EXPECT_MAX,


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