bna: remove useless linked list

Remove global variable bnad_list and bnad->list_entry that are used
as list of bna driver instances. It is not necessary and useless.
Signed-off-by: NIvan Vecera <ivecera@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/brocade/bna/bnad.c

@@ -56,7 +56,6 @@ MODULE_PARM_DESC(bna_debugfs_enable, "Enables debugfs feature, default=1,"
 static u32 bnad_rxqs_per_cq = 2;
 static u32 bna_id;
 static struct mutex bnad_list_mutex;
-static LIST_HEAD(bnad_list);
 static const u8 bnad_bcast_addr[] __aligned(2) =
 	{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 
@@ -80,7 +79,6 @@ static void
 bnad_add_to_list(struct bnad *bnad)
 {
 	mutex_lock(&bnad_list_mutex);
-	list_add_tail(&bnad->list_entry, &bnad_list);
 	bnad->id = bna_id++;
 	mutex_unlock(&bnad_list_mutex);
 }
@@ -89,7 +87,6 @@ static void
 bnad_remove_from_list(struct bnad *bnad)
 {
 	mutex_lock(&bnad_list_mutex);
-	list_del(&bnad->list_entry);
 	mutex_unlock(&bnad_list_mutex);
 }
 

drivers/net/ethernet/brocade/bna/bnad.h

@@ -288,7 +288,6 @@ struct bnad_rx_unmap_q {
 struct bnad {
 	struct net_device	*netdev;
 	u32			id;
-	struct list_head	list_entry;
 
 	/* Data path */
 	struct bnad_tx_info tx_info[BNAD_MAX_TX];