[NETFILTER]: add some consts, remove some casts
Make a number of variables const and/or remove unneeded casts.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index 94d5251..71f3c1a 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -41,7 +41,7 @@
bool *hotdrop)
{
const struct xt_connmark_info *info = matchinfo;
- struct nf_conn *ct;
+ const struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
ct = nf_ct_get(skb, &ctinfo);
@@ -58,7 +58,7 @@
void *matchinfo,
unsigned int hook_mask)
{
- struct xt_connmark_info *cm = matchinfo;
+ const struct xt_connmark_info *cm = matchinfo;
if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) {
printk(KERN_WARNING "connmark: only support 32bit mark\n");
@@ -88,7 +88,7 @@
static void compat_from_user(void *dst, void *src)
{
- struct compat_xt_connmark_info *cm = src;
+ const struct compat_xt_connmark_info *cm = src;
struct xt_connmark_info m = {
.mark = cm->mark,
.mask = cm->mask,
@@ -99,7 +99,7 @@
static int compat_to_user(void __user *dst, void *src)
{
- struct xt_connmark_info *m = src;
+ const struct xt_connmark_info *m = src;
struct compat_xt_connmark_info cm = {
.mark = m->mark,
.mask = m->mask,