tc: array address is never NULL

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/tc.c b/networking/tc.c
index 2e1078d..5106844 100644
--- a/networking/tc.c
+++ b/networking/tc.c
@@ -215,8 +215,6 @@
 	if (opt == NULL)
 		return 0;
 	parse_rtattr_nested_compat(tb, TCA_PRIO_MAX, opt, qopt, sizeof(*qopt));
-	if (tb == NULL)
-		return 0;
 	printf("bands %u priomap ", qopt->bands);
 	for (i=0; i<=TC_PRIO_MAX; i++)
 		printf(" %d", qopt->priomap[i]);