ipg: fix receivemode IPG_RM_RECEIVEMULTICAST{,HASH} in ipg_nic_set_multicast_list()

The branches are dead code.  even when dev->flag IFF_MULTICAST (defined
0x1000) is set, dev->flags & IFF_MULTICAST & [boolean] always evaluates to
0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index 9b358f6..679a082 100644 (file)
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -577,12 +577,12 @@ static void ipg_nic_set_multicast_list(struct net_device *dev)
                /* NIC to be configured in promiscuous mode. */
                receivemode = IPG_RM_RECEIVEALLFRAMES;
        } else if ((dev->flags & IFF_ALLMULTI) ||
-                  (dev->flags & IFF_MULTICAST &
+                  ((dev->flags & IFF_MULTICAST) &&
                    (dev->mc_count > IPG_MULTICAST_HASHTABLE_SIZE))) {
                /* NIC to be configured to receive all multicast
                 * frames. */
                receivemode |= IPG_RM_RECEIVEMULTICAST;
-       } else if (dev->flags & IFF_MULTICAST & (dev->mc_count > 0)) {
+       } else if ((dev->flags & IFF_MULTICAST) && (dev->mc_count > 0)) {
                /* NIC to be configured to receive selected
                 * multicast addresses. */
                receivemode |= IPG_RM_RECEIVEMULTICASTHASH;