extensions: add const qualifiers in print/save functions

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

1 files changed, 2 insertions, 3 deletions

diff --git a/extensions/libipt_NETMAP.c b/extensions/libipt_NETMAP.c
index 98202303..f03c05b8 100644
--- a/extensions/libipt_NETMAP.c
+++ b/extensions/libipt_NETMAP.c
@@ -140,9 +140,8 @@ static void NETMAP_check(unsigned int flags)
 static void NETMAP_print(const void *ip, const struct xt_entry_target *target,
                          int numeric)
 {
-	struct nf_nat_multi_range *mr
-		= (struct nf_nat_multi_range *)target->data;
-	struct nf_nat_range *r = &mr->range[0];
+	const struct nf_nat_multi_range *mr = (const void *)target->data;
+	const struct nf_nat_range *r = &mr->range[0];
 	struct in_addr a;
 	int bits;