[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, 4 insertions, 24 deletions

diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c
index 7a28139..88805a4 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -119,15 +119,7 @@ static dev_info_t dev_info = "airo_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.
-
    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
@@ -202,8 +194,7 @@ static dev_link_t *airo_attach(void)
 	link->priv = local;
 	
 	/* 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;
@@ -229,29 +220,19 @@ static dev_link_t *airo_attach(void)
 static void airo_detach(struct pcmcia_device *p_dev)
 {
 	dev_link_t *link = dev_to_instance(p_dev);
-	dev_link_t **linkp;
-	
+
 	DEBUG(0, "airo_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)
 		airo_release(link);
-	
+
 	if ( ((local_info_t*)link->priv)->eth_dev ) {
 		stop_airo_card( ((local_info_t*)link->priv)->eth_dev, 0 );
 	}
 	((local_info_t*)link->priv)->eth_dev = NULL;
 
-	/* Unlink device structure, free pieces */
-	*linkp = link->next;
 	kfree(link->priv);
 	kfree(link);
-	
 } /* airo_detach */
 
 /*======================================================================
@@ -574,7 +555,6 @@ static int airo_cs_init(void)
 static void airo_cs_cleanup(void)
 {
 	pcmcia_unregister_driver(&airo_driver);
-	BUG_ON(dev_list != NULL);
 }
 
 /*