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netfilter: ipset: The unnamed union initialization may lead to compilation error
authorJozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Fri, 18 Oct 2013 09:41:57 +0000 (11:41 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Tue, 22 Oct 2013 08:14:01 +0000 (10:14 +0200)
The unnamed union should be possible to be initialized directly, but
unfortunately it's not so:

/usr/src/ipset/kernel/net/netfilter/ipset/ip_set_hash_netnet.c: In
function ?hash_netnet4_kadt?:
/usr/src/ipset/kernel/net/netfilter/ipset/ip_set_hash_netnet.c:141:
error: unknown field ?cidr? specified in initializer

Reported-by: Husnu Demir <hdemir@metu.edu.tr>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/ipset/ip_set_hash_netnet.c patch | blob | blame | history
net/netfilter/ipset/ip_set_hash_netportnet.c patch | blob | blame | history

diff --git a/net/netfilter/ipset/ip_set_hash_netnet.c b/net/netfilter/ipset/ip_set_hash_netnet.c
index 426032706ca9a6222da4be3582ddef1ec587bea9..2bc2dec20b007026e78aba74451e70039c6e5988 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_netnet.c
+++ b/net/netfilter/ipset/ip_set_hash_netnet.c
@@ -137,12 +137,11 @@ hash_netnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct hash_netnet *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netnet4_elem e = {
-               .cidr[0] = h->nets[0].cidr[0] ? h->nets[0].cidr[0] : HOST_MASK,
-               .cidr[1] = h->nets[0].cidr[1] ? h->nets[0].cidr[1] : HOST_MASK,
-       };
+       struct hash_netnet4_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 
+       e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
+       e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
        if (adt == IPSET_TEST)
                e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
 
@@ -160,14 +159,14 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 {
        const struct hash_netnet *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netnet4_elem e = { .cidr[0] = HOST_MASK,
-                                      .cidr[1] = HOST_MASK };
+       struct hash_netnet4_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
        u32 ip = 0, ip_to = 0, last;
        u32 ip2 = 0, ip2_from = 0, ip2_to = 0, last2;
        u8 cidr, cidr2;
        int ret;
 
+       e.cidr[0] = e.cidr[1] = HOST_MASK;
        if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
                     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
                     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) ||
@@ -364,12 +363,11 @@ hash_netnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct hash_netnet *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netnet6_elem e = {
-               .cidr[0] = h->nets[0].cidr[0] ? h->nets[0].cidr[0] : HOST_MASK,
-               .cidr[1] = h->nets[0].cidr[1] ? h->nets[0].cidr[1] : HOST_MASK
-       };
+       struct hash_netnet6_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 
+       e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
+       e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
        if (adt == IPSET_TEST)
                e.ccmp = (HOST_MASK << (sizeof(u8)*8)) | HOST_MASK;
 
@@ -386,11 +384,11 @@ hash_netnet6_uadt(struct ip_set *set, struct nlattr *tb[],
               enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netnet6_elem e = { .cidr[0] = HOST_MASK,
-                                      .cidr[1] = HOST_MASK };
+       struct hash_netnet6_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
        int ret;
 
+       e.cidr[0] = e.cidr[1] = HOST_MASK;
        if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
                     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
                     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) ||
diff --git a/net/netfilter/ipset/ip_set_hash_netportnet.c b/net/netfilter/ipset/ip_set_hash_netportnet.c
index 363fab933d48f2ea832ed25cffec8e8077e581b3..703d1192a6a225214f1ffd28c6ab926110942c32 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_netportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_netportnet.c
@@ -147,12 +147,11 @@ hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct hash_netportnet *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netportnet4_elem e = {
-               .cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK),
-               .cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK),
-       };
+       struct hash_netportnet4_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 
+       e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
+       e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
        if (adt == IPSET_TEST)
                e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
 
@@ -174,8 +173,7 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 {
        const struct hash_netportnet *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netportnet4_elem e = { .cidr[0] = HOST_MASK,
-                                          .cidr[1] = HOST_MASK };
+       struct hash_netportnet4_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
        u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
        u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
@@ -183,6 +181,7 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
        u8 cidr, cidr2;
        int ret;
 
+       e.cidr[0] = e.cidr[1] = HOST_MASK;
        if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
                     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
                     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
@@ -419,12 +418,11 @@ hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct hash_netportnet *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netportnet6_elem e = {
-               .cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK),
-               .cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK),
-       };
+       struct hash_netportnet6_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 
+       e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
+       e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
        if (adt == IPSET_TEST)
                e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
 
@@ -446,13 +444,13 @@ hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 {
        const struct hash_netportnet *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-       struct hash_netportnet6_elem e = { .cidr[0] = HOST_MASK,
-                                          .cidr[1] = HOST_MASK };
+       struct hash_netportnet6_elem e = { };
        struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
        u32 port, port_to;
        bool with_ports = false;
        int ret;
 
+       e.cidr[0] = e.cidr[1] = HOST_MASK;
        if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
                     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
                     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||