[NETFILTER]: add some consts, remove some casts

[deliverable/linux.git] / net / netfilter / xt_conntrack.c

diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index 87364f58a4b982af8cb2face13548a50bdcbf6f1..9e3ec31f2016dfa60e13626034923e2d0abd546c 100644 (file)
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -30,11 +30,11 @@ match(const struct sk_buff *skb,
       bool *hotdrop)
 {
        const struct xt_conntrack_info *sinfo = matchinfo;
-       struct nf_conn *ct;
+       const struct nf_conn *ct;
        enum ip_conntrack_info ctinfo;
        unsigned int statebit;
 
-       ct = nf_ct_get((struct sk_buff *)skb, &ctinfo);
+       ct = nf_ct_get(skb, &ctinfo);
 
 #define FWINV(bool,invflg) ((bool) ^ !!(sinfo->invflags & invflg))
 
@@ -150,7 +150,7 @@ struct compat_xt_conntrack_info
 
 static void compat_from_user(void *dst, void *src)
 {
-       struct compat_xt_conntrack_info *cm = src;
+       const struct compat_xt_conntrack_info *cm = src;
        struct xt_conntrack_info m = {
                .statemask      = cm->statemask,
                .statusmask     = cm->statusmask,
@@ -167,7 +167,7 @@ static void compat_from_user(void *dst, void *src)
 
 static int compat_to_user(void __user *dst, void *src)
 {
-       struct xt_conntrack_info *m = src;
+       const struct xt_conntrack_info *m = src;
        struct compat_xt_conntrack_info cm = {
                .statemask      = m->statemask,
                .statusmask     = m->statusmask,