extensions: NAT: Fix for -Werror=format-security

Have to pass either a string literal or format string to xt_xlate_add().

Fixes: f30c5edce0413 ("extensions: Merge SNAT, DNAT, REDIRECT and MASQUERADE")
Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/extensions/libxt_NAT.c b/extensions/libxt_NAT.c
index da9f22012c5d6e9a436ba2140692e74d270d917f..2a6343986d54f0e6cbfb2be473233b3548a94ab4 100644 (file)
--- a/extensions/libxt_NAT.c
+++ b/extensions/libxt_NAT.c
@@ -424,7 +424,7 @@ __NAT_xlate(struct xt_xlate *xl, const struct nf_nat_range2 *r,
        if (r->flags & NF_NAT_RANGE_PROTO_OFFSET)
                return 0;
 
-       xt_xlate_add(xl, tgt);
+       xt_xlate_add(xl, "%s", tgt);
        if (strlen(range_str))
                xt_xlate_add(xl, " to %s", range_str);
        if (r->flags & NF_NAT_RANGE_PROTO_RANDOM) {