[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, 23 deletions

diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c
index 804e56771baf..8c8cc40bbb7d 100644
--- a/drivers/net/pcmcia/xirc2ps_cs.c
+++ b/drivers/net/pcmcia/xirc2ps_cs.c
@@ -331,15 +331,7 @@ static dev_info_t dev_info = "xirc2ps_cs";
  * device numbers are used to derive the corresponding array index.
  */
 
-static dev_link_t *dev_list;
-
 /****************
- * A dev_link_t structure has fields for most things that are needed
- * to keep track of a socket, but there will usually be some device
- * specific information that also needs to be kept track of.  The
- * 'priv' pointer in a dev_link_t structure can be used to point to
- * a device-specific private data structure, like this.
- *
  * A driver needs to provide a dev_node_t structure for each device
  * on a card.  In some cases, there is only one device per card (for
  * example, ethernet cards, modems).  In other cases, there may be
@@ -615,8 +607,7 @@ xirc2ps_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;
@@ -641,27 +632,15 @@ xirc2ps_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, "detach(0x%p)\n", link);
 
-    /* Locate device structure */
-    for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-        if (*linkp == link)
-            break;
-    if (!*linkp) {
-        DEBUG(0, "detach(0x%p): dev_link lost\n", link);
-        return;
-    }
-
     if (link->dev)
         unregister_netdev(dev);
 
     if (link->state & DEV_CONFIG)
         xirc2ps_release(link);
 
-    /* Unlink device structure, free it */
-    *linkp = link->next;
     free_netdev(dev);
 } /* xirc2ps_detach */
 
@@ -2020,7 +1999,6 @@ static void __exit
 exit_xirc2ps_cs(void)
 {
         pcmcia_unregister_driver(&xirc2ps_cs_driver);
-        BUG_ON(dev_list != NULL);
 }
 
 module_init(init_xirc2ps_cs);