ppp: use for_each_set_bit_from

Use for_each_set_bit_from to iterate over all the set bit in a memory
region.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Dmitry Kozlov <xeb@mail.ru>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index 885dbdd9c39e0f9ea1101d7a5642fc52d6a081a7..72b50f57e7b28df4a0be367c219dc2cee3022739 100644 (file)
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -116,8 +116,8 @@ static int lookup_chan_dst(u16 call_id, __be32 d_addr)
        int i;
 
        rcu_read_lock();
-       for (i = find_next_bit(callid_bitmap, MAX_CALLID, 1); i < MAX_CALLID;
-            i = find_next_bit(callid_bitmap, MAX_CALLID, i + 1)) {
+       i = 1;
+       for_each_set_bit_from(i, callid_bitmap, MAX_CALLID) {
                sock = rcu_dereference(callid_sock[i]);
                if (!sock)
                        continue;