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ipvs: zero usvc and udest

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Make sure that any otherwise uninitialised fields of usvc are zero.

This has been obvserved to cause a problem whereby the port of
fwmark services may end up as a non-zero value which causes
scheduling of a destination server to fail for persisitent services.

As observed by Deon van der Merwe <dvdm@truteq.co.za>.
This fix suggested by Julian Anastasov <ja@ssi.bg>.

For good measure also zero udest.

Cc: Deon van der Merwe <dvdm@truteq.co.za>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Cc: stable@kernel.org
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Simon Horman 2009-12-15 17:01:25 +01:00 committed by Patrick McHardy
parent 8fa9ff6849
commit 258c889362
1 changed files with 4 additions and 0 deletions
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4
net/netfilter/ipvs/ip_vs_ctl.c
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@ -2714,6 +2714,8 @@ static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
if (!(nla_af && (nla_fwmark || (nla_port && nla_protocol && nla_addr))))
return -EINVAL;
memset(usvc, 0, sizeof(*usvc));
usvc->af = nla_get_u16(nla_af);
#ifdef CONFIG_IP_VS_IPV6
if (usvc->af != AF_INET && usvc->af != AF_INET6)
@ -2901,6 +2903,8 @@ static int ip_vs_genl_parse_dest(struct ip_vs_dest_user_kern *udest,
if (!(nla_addr && nla_port))
return -EINVAL;
memset(udest, 0, sizeof(*udest));
nla_memcpy(&udest->addr, nla_addr, sizeof(udest->addr));
udest->port = nla_get_u16(nla_port);