cxgb4: fix memory leak

do not reuse the loop counter which is used iterate over
the ports, so that sched_tbl will be freed for all the ports.

Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/sched.c

@@ -533,10 +533,10 @@ struct sched_table *t4_init_sched(unsigned int sched_size)
 void t4_cleanup_sched(struct adapter *adap)
 {
 	struct sched_table *s;
-	unsigned int i;
+	unsigned int j, i;
 
-	for_each_port(adap, i) {
-		struct port_info *pi = netdev2pinfo(adap->port[i]);
+	for_each_port(adap, j) {
+		struct port_info *pi = netdev2pinfo(adap->port[j]);
 
 		s = pi->sched_tbl;
 		for (i = 0; i < s->sched_size; i++) {