[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, 3 insertions, 25 deletions

diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
index d2386f6867b7..814b32a9ef3b 100644
--- a/drivers/isdn/hisax/sedlbauer_cs.c
+++ b/drivers/isdn/hisax/sedlbauer_cs.c
@@ -134,18 +134,7 @@ static dev_info_t dev_info = "sedlbauer_cs";
    device numbers are used to derive the corresponding array index.
 */
 
-static dev_link_t *dev_list = NULL;
-
 /*
-   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.
-
-   To simplify the data structure handling, we actually include the
-   dev_link_t structure in the device's private data structure.
-
    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
@@ -222,8 +211,7 @@ static dev_link_t *sedlbauer_attach(void)
     link->conf.IntType = INT_MEMORY_AND_IO;
 
     /* 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;
@@ -249,23 +237,14 @@ static dev_link_t *sedlbauer_attach(void)
 static void sedlbauer_detach(struct pcmcia_device *p_dev)
 {
     dev_link_t *link = dev_to_instance(p_dev);
-    dev_link_t **linkp;
 
     DEBUG(0, "sedlbauer_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->state & DEV_CONFIG) {
-        ((local_info_t *)link->priv)->stop = 1;
-        sedlbauer_release(link);
+            ((local_info_t *)link->priv)->stop = 1;
+            sedlbauer_release(link);
     }
 
-    /* Unlink device structure, and free it */
-    *linkp = link->next;
     /* This points to the parent local_info_t struct */
     kfree(link->priv);
 } /* sedlbauer_detach */
@@ -623,7 +602,6 @@ static int __init init_sedlbauer_cs(void)
 static void __exit exit_sedlbauer_cs(void)
 {
         pcmcia_unregister_driver(&sedlbauer_driver);
-        BUG_ON(dev_list != NULL);
 }
 
 module_init(init_sedlbauer_cs);