staging: unisys: get rid of list of devices

We don't need the list of devices, we can loop through the one
provided by the network api and filter on ours.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c
index b41dbd48eba6862af8fa7c555fdaf03452275ee1..85c9fec6549e0a2c5e1fc9e3746bfc575e479839 100644 (file)
--- a/drivers/staging/unisys/visornic/visornic_main.c
+++ b/drivers/staging/unisys/visornic/visornic_main.c
@@ -115,7 +115,6 @@ struct visornic_devdata {
                                         * IOPART
                                         */
        struct visor_device *dev;
-       struct list_head list_all;   /* < link within list_all_devices list */
        struct net_device *netdev;
        struct net_device_stats net_stats;
        atomic_t interrupt_rcvd;
@@ -196,12 +195,6 @@ struct visornic_devdata {
        struct uiscmdrsp cmdrsp[SIZEOF_CMDRSP];
 };
 
-
-/* List of all visornic_devdata structs,
- * linked via the list_all member
- */
-static LIST_HEAD(list_all_devices);
-static DEFINE_SPINLOCK(lock_all_devices);
 static int visornic_poll(struct napi_struct *napi, int budget);
 static void poll_for_irq(unsigned long v);
 
@@ -1372,9 +1365,6 @@ devdata_initialize(struct visornic_devdata *devdata, struct visor_device *dev)
                return NULL;
        memset(devdata, '\0', sizeof(struct visornic_devdata));
        devdata->dev = dev;
-       spin_lock(&lock_all_devices);
-       list_add_tail(&devdata->list_all, &list_all_devices);
-       spin_unlock(&lock_all_devices);
        return devdata;
 }
 
@@ -1387,9 +1377,6 @@ devdata_initialize(struct visornic_devdata *devdata, struct visor_device *dev)
  */
 static void devdata_release(struct visornic_devdata *devdata)
 {
-       spin_lock(&lock_all_devices);
-       list_del(&devdata->list_all);
-       spin_unlock(&lock_all_devices);
        kfree(devdata->rcvbuf);
        kfree(devdata->cmdrsp_rcv);
        kfree(devdata->xmit_cmdrsp);