ebtables-compat: add a bridge-specific exit_error function

index efbb3cd..355d027 100644
@@ -27,6 +27,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdarg.h>
 #include <inttypes.h>
 #include <signal.h>
 #include <net/if.h>

@@ -291,13 +292,23 @@ static struct option ebt_original_options[] =
 	{ 0 }
 };
 
-void xtables_exit_error(enum xtables_exittype status, const char *msg, ...) __attribute__((noreturn, format(printf,2,3)));
+static void
+ebt_print_error(enum xtables_exittype status, const char *format, ...)
+{
+	va_list l;
+
+	va_start(l, format);
+	vfprintf(stderr, format, l);
+	fprintf(stderr, ".\n");
+	va_end(l);
+	exit(-1);
+} __attribute__((noreturn, format(printf,2,3)));
 
 struct xtables_globals ebtables_globals = {
 	.option_offset 		= 0,
 	.program_version	= IPTABLES_VERSION,
 	.orig_opts		= ebt_original_options,
-	.exit_err		= xtables_exit_error,
+	.exit_err		= ebt_print_error,
 	.compat_rev		= nft_compatible_revision,
 };
 

index e3ab667..084dd58 100644
@@ -619,7 +619,7 @@ static bool nft_bridge_rule_find(struct nft_family_ops *ops, struct nft_rule *r,
 		return false;
 	}
 
-	if (strcmp(cs->jumpto, this.jumpto) != 0) {
+	if (cs->jumpto != NULL && strcmp(cs->jumpto, this.jumpto) != 0) {
 		DEBUGP("Different verdict\n");
 		return false;
 	}