[PATCH] pcmcia: remove dev_list from drivers

The linked list of devices managed by each PCMCIA driver is, in very most
cases, unused. Therefore, remove it from many drivers.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 1 insertions, 14 deletions

diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c
index 60a3bc2b8fc..8fcb63698ef 100644
--- a/drivers/net/pcmcia/3c574_cs.c
+++ b/drivers/net/pcmcia/3c574_cs.c
@@ -255,8 +255,6 @@ static dev_info_t dev_info = "3c574_cs";
 static dev_link_t *tc574_attach(void);
 static void tc574_detach(struct pcmcia_device *p_dev);
 
-static dev_link_t *dev_list;
-
 /*
         tc574_attach() creates an "instance" of the driver, allocating
         local data structures for one device.  The device is registered
@@ -308,8 +306,7 @@ static dev_link_t *tc574_attach(void)
 #endif
 
         /* Register with Card Services */
-        link->next = dev_list;
-        dev_list = link;
+        link->next = NULL;
         client_reg.dev_info = &dev_info;
         client_reg.Version = 0x0210;
         client_reg.event_callback_args.client_data = link;
@@ -336,24 +333,15 @@ static void tc574_detach(struct pcmcia_device *p_dev)
 {
         dev_link_t *link = dev_to_instance(p_dev);
         struct net_device *dev = link->priv;
-        dev_link_t **linkp;
 
         DEBUG(0, "3c574_detach(0x%p)\n", link);
 
-        /* Locate device structure */
-        for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-                if (*linkp == link) break;
-        if (*linkp == NULL)
-                return;
-
         if (link->dev)
                 unregister_netdev(dev);
 
         if (link->state & DEV_CONFIG)
                 tc574_release(link);
 
-        /* Unlink device structure, free bits */
-        *linkp = link->next;
         free_netdev(dev);
 } /* tc574_detach */
 
@@ -1310,7 +1298,6 @@ static int __init init_tc574(void)
 static void __exit exit_tc574(void)
 {
         pcmcia_unregister_driver(&tc574_driver);
-        BUG_ON(dev_list != NULL);
 }
 
 module_init(init_tc574);