From: Vytas Dauksa Date: Fri, 4 Apr 2014 15:10:14 +0000 (+0100) Subject: netfilter: ipset: Removed invalid IPSET_ATTR_MARKMASK validation X-Git-Tag: MMI-PSA29.97-13-9~11350^2~101^2~21 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ecc245c2bd5dcee91e6818fd3e7fb6454ad2ca06;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git netfilter: ipset: Removed invalid IPSET_ATTR_MARKMASK validation Markmask is an u32, hence it can't be greater then 4294967295 ( i.e. 0xffffffff ). This was causing smatch warning: net/netfilter/ipset/ip_set_hash_gen.h:1084 hash_ipmark_create() warn: impossible condition '(markmask > 4294967295) => (0-u32max > u32max)' Signed-off-by: Jozsef Kadlecsik --- diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h index 61c7fb052802..0398a92da6cc 100644 --- a/net/netfilter/ipset/ip_set_hash_gen.h +++ b/net/netfilter/ipset/ip_set_hash_gen.h @@ -1093,7 +1093,7 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set, if (tb[IPSET_ATTR_MARKMASK]) { markmask = ntohl(nla_get_u32(tb[IPSET_ATTR_MARKMASK])); - if ((markmask > 4294967295u) || markmask == 0) + if (markmask == 0) return -IPSET_ERR_INVALID_MARKMASK; } #endif