[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>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/netfilter/xt_MARK.c b/net/netfilter/xt_MARK.c
index bd9cdf29cc3..6b7369fc263 100644
--- a/net/netfilter/xt_MARK.c
+++ b/net/netfilter/xt_MARK.c
@@ -72,7 +72,7 @@ checkentry_v0(const char *tablename,
               void *targinfo,
               unsigned int hook_mask)
 {
-        struct xt_mark_target_info *markinfo = targinfo;
+        const struct xt_mark_target_info *markinfo = targinfo;
 
         if (markinfo->mark > 0xffffffff) {
                 printk(KERN_WARNING "MARK: Only supports 32bit wide mark\n");
@@ -88,7 +88,7 @@ checkentry_v1(const char *tablename,
               void *targinfo,
               unsigned int hook_mask)
 {
-        struct xt_mark_target_info_v1 *markinfo = targinfo;
+        const struct xt_mark_target_info_v1 *markinfo = targinfo;
 
         if (markinfo->mode != XT_MARK_SET
             && markinfo->mode != XT_MARK_AND
@@ -114,7 +114,7 @@ struct compat_xt_mark_target_info_v1 {
 
 static void compat_from_user_v1(void *dst, void *src)
 {
-        struct compat_xt_mark_target_info_v1 *cm = src;
+        const struct compat_xt_mark_target_info_v1 *cm = src;
         struct xt_mark_target_info_v1 m = {
                 .mark   = cm->mark,
                 .mode   = cm->mode,
@@ -124,7 +124,7 @@ static void compat_from_user_v1(void *dst, void *src)
 
 static int compat_to_user_v1(void __user *dst, void *src)
 {
-        struct xt_mark_target_info_v1 *m = src;
+        const struct xt_mark_target_info_v1 *m = src;
         struct compat_xt_mark_target_info_v1 cm = {
                 .mark   = m->mark,
                 .mode   = m->mode,