[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, 18 deletions

diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index e40a8c22aa9d..e48e9fb3c58c 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -104,7 +104,6 @@ static struct scsi_host_template nsp_driver_template = {
 #endif
 };
 
-static dev_link_t *dev_list = NULL;
 static dev_info_t dev_info  = {"nsp_cs"};
 
 static nsp_hw_data nsp_data_base; /* attach <-> detect glue */
@@ -1638,8 +1637,7 @@ static dev_link_t *nsp_cs_attach(void)
 
 
         /* 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;
@@ -1665,30 +1663,16 @@ static dev_link_t *nsp_cs_attach(void)
 static void nsp_cs_detach(struct pcmcia_device *p_dev)
 {
         dev_link_t *link = dev_to_instance(p_dev);
-        dev_link_t **linkp;
 
         nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", 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) {
                 ((scsi_info_t *)link->priv)->stop = 1;
                 nsp_cs_release(link);
         }
 
-        /* Unlink device structure, free bits */
-        *linkp = link->next;
         kfree(link->priv);
         link->priv = NULL;
-
 } /* nsp_cs_detach */
 
 
@@ -2168,7 +2152,6 @@ static void __exit nsp_cs_exit(void)
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68))
         pcmcia_unregister_driver(&nsp_driver);
-        BUG_ON(dev_list != NULL);
 #else
         unregister_pcmcia_driver(&dev_info);
         /* XXX: this really needs to move into generic code.. */