bridge: using for_each_set_bit to simplify the code

Using for_each_set_bit() to simplify the code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index db12a0f..1382842 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -136,10 +136,7 @@
 			goto nla_put_failure;
 
 		pvid = br_get_pvid(pv);
-		for (vid = find_first_bit(pv->vlan_bitmap, BR_VLAN_BITMAP_LEN);
-		     vid < BR_VLAN_BITMAP_LEN;
-		     vid = find_next_bit(pv->vlan_bitmap,
-					 BR_VLAN_BITMAP_LEN, vid+1)) {
+		for_each_set_bit(vid, pv->vlan_bitmap, BR_VLAN_BITMAP_LEN) {
 			vinfo.vid = vid;
 			vinfo.flags = 0;
 			if (vid == pvid)