13-bug_on_dev_list_not_null All in-kernel PCMCIA devices do unregister their client in their respective ->detach() function after a REMOVAL event. So, AFAICS, the dev_list iteration should always be false. 14-bug_on_list BUG if the socket's list of clients is not empty on shutdown and/or removal 15-move_client Move the struct client_t inside struct pcmcia_device. This means it gets proper reference counting as well. The clients list inside struct pcmcia_socket can be removed now. diff -ruN linux-original/drivers/bluetooth/bluecard_cs.c linux/drivers/bluetooth/bluecard_cs.c --- linux-original/drivers/bluetooth/bluecard_cs.c 2004-10-28 21:12:51.000000000 +0200 +++ linux/drivers/bluetooth/bluecard_cs.c 2004-10-28 21:53:37.283126848 +0200 @@ -1115,10 +1115,7 @@ static void __exit exit_bluecard_cs(void) { pcmcia_unregister_driver(&bluecard_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - bluecard_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_bluecard_cs); diff -ruN linux-original/drivers/bluetooth/bt3c_cs.c linux/drivers/bluetooth/bt3c_cs.c --- linux-original/drivers/bluetooth/bt3c_cs.c 2004-10-28 21:12:51.000000000 +0200 +++ linux/drivers/bluetooth/bt3c_cs.c 2004-10-28 21:53:37.284126696 +0200 @@ -969,10 +969,7 @@ static void __exit exit_bt3c_cs(void) { pcmcia_unregister_driver(&bt3c_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - bt3c_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_bt3c_cs); diff -ruN linux-original/drivers/bluetooth/btuart_cs.c linux/drivers/bluetooth/btuart_cs.c --- linux-original/drivers/bluetooth/btuart_cs.c 2004-10-28 21:12:51.000000000 +0200 +++ linux/drivers/bluetooth/btuart_cs.c 2004-10-28 21:53:37.285126544 +0200 @@ -886,10 +886,7 @@ static void __exit exit_btuart_cs(void) { pcmcia_unregister_driver(&btuart_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - btuart_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_btuart_cs); diff -ruN linux-original/drivers/bluetooth/dtl1_cs.c linux/drivers/bluetooth/dtl1_cs.c --- linux-original/drivers/bluetooth/dtl1_cs.c 2004-10-28 21:12:51.000000000 +0200 +++ linux/drivers/bluetooth/dtl1_cs.c 2004-10-28 21:53:37.286126392 +0200 @@ -838,10 +838,7 @@ static void __exit exit_dtl1_cs(void) { pcmcia_unregister_driver(&dtl1_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - dtl1_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_dtl1_cs); diff -ruN linux-original/drivers/char/pcmcia/synclink_cs.c linux/drivers/char/pcmcia/synclink_cs.c --- linux-original/drivers/char/pcmcia/synclink_cs.c 2004-10-28 21:12:45.000000000 +0200 +++ linux/drivers/char/pcmcia/synclink_cs.c 2004-10-28 21:53:37.289125936 +0200 @@ -3147,13 +3147,7 @@ } pcmcia_unregister_driver(&mgslpc_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) { - if (dev_list->state & DEV_CONFIG) - mgslpc_release((u_long)dev_list); - mgslpc_detach(dev_list); - } + BUG_ON(dev_list != NULL); } static int __init synclink_cs_init(void) diff -ruN linux-original/drivers/ide/legacy/ide-cs.c linux/drivers/ide/legacy/ide-cs.c --- linux-original/drivers/ide/legacy/ide-cs.c 2004-10-28 21:12:47.000000000 +0200 +++ linux/drivers/ide/legacy/ide-cs.c 2004-10-28 21:53:37.290125784 +0200 @@ -485,8 +485,7 @@ static void __exit exit_ide_cs(void) { pcmcia_unregister_driver(&ide_cs_driver); - while (dev_list != NULL) - ide_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_ide_cs); diff -ruN linux-original/drivers/isdn/hardware/avm/avm_cs.c linux/drivers/isdn/hardware/avm/avm_cs.c --- linux-original/drivers/isdn/hardware/avm/avm_cs.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/isdn/hardware/avm/avm_cs.c 2004-10-28 21:53:37.291125632 +0200 @@ -521,13 +521,7 @@ static void __exit avmcs_exit(void) { pcmcia_unregister_driver(&avmcs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) { - if (dev_list->state & DEV_CONFIG) - avmcs_release(dev_list); - avmcs_detach(dev_list); - } + BUG_ON(dev_list != NULL); } module_init(avmcs_init); diff -ruN linux-original/drivers/isdn/hisax/avma1_cs.c linux/drivers/isdn/hisax/avma1_cs.c --- linux-original/drivers/isdn/hisax/avma1_cs.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/isdn/hisax/avma1_cs.c 2004-10-28 21:53:37.292125480 +0200 @@ -531,13 +531,7 @@ static void __exit exit_avma1_cs(void) { pcmcia_unregister_driver(&avma1cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) { - if (dev_list->state & DEV_CONFIG) - avma1cs_release(dev_list); - avma1cs_detach(dev_list); - } + BUG_ON(dev_list != NULL); } module_init(init_avma1_cs); diff -ruN linux-original/drivers/isdn/hisax/elsa_cs.c linux/drivers/isdn/hisax/elsa_cs.c --- linux-original/drivers/isdn/hisax/elsa_cs.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/isdn/hisax/elsa_cs.c 2004-10-28 21:53:37.292125480 +0200 @@ -541,10 +541,7 @@ static void __exit exit_elsa_cs(void) { pcmcia_unregister_driver(&elsa_cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - elsa_cs_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_elsa_cs); diff -ruN linux-original/drivers/isdn/hisax/sedlbauer_cs.c linux/drivers/isdn/hisax/sedlbauer_cs.c --- linux-original/drivers/isdn/hisax/sedlbauer_cs.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/isdn/hisax/sedlbauer_cs.c 2004-10-28 21:53:37.293125328 +0200 @@ -648,13 +648,7 @@ static void __exit exit_sedlbauer_cs(void) { pcmcia_unregister_driver(&sedlbauer_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) { - if (dev_list->state & DEV_CONFIG) - sedlbauer_release(dev_list); - sedlbauer_detach(dev_list); - } + BUG_ON(dev_list != NULL); } module_init(init_sedlbauer_cs); diff -ruN linux-original/drivers/isdn/hisax/teles_cs.c linux/drivers/isdn/hisax/teles_cs.c --- linux-original/drivers/isdn/hisax/teles_cs.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/isdn/hisax/teles_cs.c 2004-10-28 21:53:37.294125176 +0200 @@ -522,10 +522,7 @@ static void __exit exit_teles_cs(void) { pcmcia_unregister_driver(&teles_cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - teles_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_teles_cs); diff -ruN linux-original/drivers/mtd/maps/pcmciamtd.c linux/drivers/mtd/maps/pcmciamtd.c --- linux-original/drivers/mtd/maps/pcmciamtd.c 2004-10-28 21:12:51.000000000 +0200 +++ linux/drivers/mtd/maps/pcmciamtd.c 2004-10-28 21:53:37.295125024 +0200 @@ -854,35 +854,7 @@ { DEBUG(1, DRIVER_DESC " unloading"); pcmcia_unregister_driver(&pcmciamtd_driver); - - while(dev_list) { - dev_link_t *link = dev_list; - - dev_list = link->next; - if (link) { - struct pcmciamtd_dev *dev = link->priv; - - if(dev) { - if(link->state & DEV_PRESENT) { - if (!(link->state & DEV_STALE_LINK)) { - pcmciamtd_detach(link); - } - link->state &= ~DEV_PRESENT; - if(dev->mtd_info) { - del_mtd_device(dev->mtd_info); - info("mtd%d: Removed", - dev->mtd_info->index); - } - } - if(dev->mtd_info) { - DEBUG(2, "Destroying map for mtd%d", - dev->mtd_info->index); - map_destroy(dev->mtd_info); - } - kfree(dev); - } - } - } + BUG_ON(dev_list != NULL); } module_init(init_pcmciamtd); diff -ruN linux-original/drivers/net/pcmcia/3c574_cs.c linux/drivers/net/pcmcia/3c574_cs.c --- linux-original/drivers/net/pcmcia/3c574_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/3c574_cs.c 2004-10-28 21:53:37.296124872 +0200 @@ -1308,8 +1308,7 @@ static void __exit exit_tc574(void) { pcmcia_unregister_driver(&tc574_driver); - while (dev_list != NULL) - tc574_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_tc574); diff -ruN linux-original/drivers/net/pcmcia/3c589_cs.c linux/drivers/net/pcmcia/3c589_cs.c --- linux-original/drivers/net/pcmcia/3c589_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/3c589_cs.c 2004-10-28 21:53:37.297124720 +0200 @@ -1083,8 +1083,7 @@ static void __exit exit_tc589(void) { pcmcia_unregister_driver(&tc589_driver); - while (dev_list != NULL) - tc589_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_tc589); diff -ruN linux-original/drivers/net/pcmcia/axnet_cs.c linux/drivers/net/pcmcia/axnet_cs.c --- linux-original/drivers/net/pcmcia/axnet_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/axnet_cs.c 2004-10-28 21:53:37.298124568 +0200 @@ -877,8 +877,7 @@ static void __exit exit_axnet_cs(void) { pcmcia_unregister_driver(&axnet_cs_driver); - while (dev_list != NULL) - axnet_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_axnet_cs); diff -ruN linux-original/drivers/net/pcmcia/com20020_cs.c linux/drivers/net/pcmcia/com20020_cs.c --- linux-original/drivers/net/pcmcia/com20020_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/com20020_cs.c 2004-10-28 21:53:37.308123048 +0200 @@ -513,8 +513,7 @@ static void __exit exit_com20020_cs(void) { pcmcia_unregister_driver(&com20020_cs_driver); - while (dev_list != NULL) - com20020_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_com20020_cs); diff -ruN linux-original/drivers/net/pcmcia/fmvj18x_cs.c linux/drivers/net/pcmcia/fmvj18x_cs.c --- linux-original/drivers/net/pcmcia/fmvj18x_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/fmvj18x_cs.c 2004-10-28 21:53:37.310122744 +0200 @@ -792,8 +792,7 @@ static void __exit exit_fmvj18x_cs(void) { pcmcia_unregister_driver(&fmvj18x_cs_driver); - while (dev_list != NULL) - fmvj18x_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_fmvj18x_cs); diff -ruN linux-original/drivers/net/pcmcia/ibmtr_cs.c linux/drivers/net/pcmcia/ibmtr_cs.c --- linux-original/drivers/net/pcmcia/ibmtr_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/ibmtr_cs.c 2004-10-28 21:53:37.310122744 +0200 @@ -538,8 +538,7 @@ static void __exit exit_ibmtr_cs(void) { pcmcia_unregister_driver(&ibmtr_cs_driver); - while (dev_list != NULL) - ibmtr_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_ibmtr_cs); diff -ruN linux-original/drivers/net/pcmcia/nmclan_cs.c linux/drivers/net/pcmcia/nmclan_cs.c --- linux-original/drivers/net/pcmcia/nmclan_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/nmclan_cs.c 2004-10-28 21:53:37.312122440 +0200 @@ -1702,8 +1702,7 @@ static void __exit exit_nmclan_cs(void) { pcmcia_unregister_driver(&nmclan_cs_driver); - while (dev_list != NULL) - nmclan_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_nmclan_cs); diff -ruN linux-original/drivers/net/pcmcia/pcnet_cs.c linux/drivers/net/pcmcia/pcnet_cs.c --- linux-original/drivers/net/pcmcia/pcnet_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/pcnet_cs.c 2004-10-28 21:53:37.320121224 +0200 @@ -1659,8 +1659,7 @@ { DEBUG(0, "pcnet_cs: unloading\n"); pcmcia_unregister_driver(&pcnet_driver); - while (dev_list != NULL) - pcnet_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_pcnet_cs); diff -ruN linux-original/drivers/net/pcmcia/smc91c92_cs.c linux/drivers/net/pcmcia/smc91c92_cs.c --- linux-original/drivers/net/pcmcia/smc91c92_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/smc91c92_cs.c 2004-10-28 21:53:37.322120920 +0200 @@ -2263,8 +2263,7 @@ static void __exit exit_smc91c92_cs(void) { pcmcia_unregister_driver(&smc91c92_cs_driver); - while (dev_list != NULL) - smc91c92_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_smc91c92_cs); diff -ruN linux-original/drivers/net/pcmcia/xirc2ps_cs.c linux/drivers/net/pcmcia/xirc2ps_cs.c --- linux-original/drivers/net/pcmcia/xirc2ps_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/pcmcia/xirc2ps_cs.c 2004-10-28 21:53:37.332119400 +0200 @@ -2016,9 +2016,7 @@ exit_xirc2ps_cs(void) { pcmcia_unregister_driver(&xirc2ps_cs_driver); - - while (dev_list) - xirc2ps_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_xirc2ps_cs); diff -ruN linux-original/drivers/net/wireless/airo_cs.c linux/drivers/net/wireless/airo_cs.c --- linux-original/drivers/net/wireless/airo_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/wireless/airo_cs.c 2004-10-28 21:53:37.333119248 +0200 @@ -592,13 +592,7 @@ static void airo_cs_cleanup(void) { pcmcia_unregister_driver(&airo_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) { - if (dev_list->state & DEV_CONFIG) - airo_release(dev_list); - airo_detach(dev_list); - } + BUG_ON(dev_list != NULL); } /* diff -ruN linux-original/drivers/net/wireless/atmel_cs.c linux/drivers/net/wireless/atmel_cs.c --- linux-original/drivers/net/wireless/atmel_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/wireless/atmel_cs.c 2004-10-28 21:53:37.334119096 +0200 @@ -696,13 +696,7 @@ static void atmel_cs_cleanup(void) { pcmcia_unregister_driver(&atmel_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) { - if (dev_list->state & DEV_CONFIG) - atmel_release(dev_list); - atmel_detach(dev_list); - } + BUG_ON(dev_list != NULL); } /* diff -ruN linux-original/drivers/net/wireless/netwave_cs.c linux/drivers/net/wireless/netwave_cs.c --- linux-original/drivers/net/wireless/netwave_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/wireless/netwave_cs.c 2004-10-28 21:53:37.335118944 +0200 @@ -1692,9 +1692,7 @@ static void __exit exit_netwave_cs(void) { pcmcia_unregister_driver(&netwave_driver); - - if (dev_list != NULL) /* Critical situation */ - printk("netwave_cs: devices remaining when removing module\n"); + BUG_ON(dev_list != NULL); } module_init(init_netwave_cs); diff -ruN linux-original/drivers/net/wireless/orinoco_cs.c linux/drivers/net/wireless/orinoco_cs.c --- linux-original/drivers/net/wireless/orinoco_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/wireless/orinoco_cs.c 2004-10-28 21:53:37.336118792 +0200 @@ -653,14 +653,7 @@ exit_orinoco_cs(void) { pcmcia_unregister_driver(&orinoco_driver); - - if (dev_list) - DEBUG(0, PFX "Removing leftover devices.\n"); - while (dev_list != NULL) { - if (dev_list->state & DEV_CONFIG) - orinoco_cs_release(dev_list); - orinoco_cs_detach(dev_list); - } + BUG_ON(dev_list != NULL); } module_init(init_orinoco_cs); diff -ruN linux-original/drivers/net/wireless/ray_cs.c linux/drivers/net/wireless/ray_cs.c --- linux-original/drivers/net/wireless/ray_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/wireless/ray_cs.c 2004-10-28 21:53:37.338118488 +0200 @@ -2956,8 +2956,7 @@ #endif pcmcia_unregister_driver(&ray_driver); - while (dev_list != NULL) - ray_detach(dev_list); + BUG_ON(dev_list != NULL); } /* exit_ray_cs */ module_init(init_ray_cs); diff -ruN linux-original/drivers/net/wireless/wl3501_cs.c linux/drivers/net/wireless/wl3501_cs.c --- linux-original/drivers/net/wireless/wl3501_cs.c 2004-10-28 21:12:44.000000000 +0200 +++ linux/drivers/net/wireless/wl3501_cs.c 2004-10-28 21:53:37.340118184 +0200 @@ -2267,13 +2267,7 @@ { dprintk(0, ": unloading"); pcmcia_unregister_driver(&wl3501_driver); - while (wl3501_dev_list) { - /* Mark the device as non-existing to minimize calls to card */ - wl3501_dev_list->state &= ~DEV_PRESENT; - if (wl3501_dev_list->state & DEV_CONFIG) - wl3501_release(wl3501_dev_list); - wl3501_detach(wl3501_dev_list); - } + BUG_ON(wl3501_dev_list != NULL); } module_init(wl3501_init_module); diff -ruN linux-original/drivers/parport/parport_cs.c linux/drivers/parport/parport_cs.c --- linux-original/drivers/parport/parport_cs.c 2004-10-28 21:12:48.000000000 +0200 +++ linux/drivers/parport/parport_cs.c 2004-10-28 21:53:37.341118032 +0200 @@ -401,10 +401,7 @@ static void __exit exit_parport_cs(void) { pcmcia_unregister_driver(&parport_cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - parport_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_parport_cs); diff -ruN linux-original/drivers/pcmcia/bulkmem.c linux/drivers/pcmcia/bulkmem.c --- linux-original/drivers/pcmcia/bulkmem.c 2004-10-28 21:53:20.546671176 +0200 +++ linux/drivers/pcmcia/bulkmem.c 2004-10-28 21:53:54.413522632 +0200 @@ -27,6 +27,7 @@ #include #include #include +#include #include "cs_internal.h" #ifdef DEBUG diff -ruN linux-original/drivers/pcmcia/cs.c linux/drivers/pcmcia/cs.c --- linux-original/drivers/pcmcia/cs.c 2004-10-28 21:53:20.550670568 +0200 +++ linux/drivers/pcmcia/cs.c 2004-10-28 21:53:54.415522328 +0200 @@ -41,6 +41,7 @@ #include #include #include +#include #include "cs_internal.h" #ifdef CONFIG_PCI @@ -198,13 +199,6 @@ static void pcmcia_release_socket(struct class_device *class_dev) { struct pcmcia_socket *socket = class_get_devdata(class_dev); - client_t *client; - - while (socket->clients) { - client = socket->clients; - socket->clients = socket->clients->next; - kfree(client); - } complete(&socket->socket_released); } @@ -357,8 +351,6 @@ static void shutdown_socket(struct pcmcia_socket *s) { - client_t **c; - cs_dbg(s, 1, "shutdown_socket\n"); /* Blank out the socket state */ @@ -376,15 +368,6 @@ kfree(s->config); s->config = NULL; } - for (c = &s->clients; *c; ) { - if ((*c)->state & CLIENT_UNBOUND) { - client_t *d = *c; - *c = (*c)->next; - kfree(d); - } else { - c = &((*c)->next); - } - } free_regions(&s->a_region); free_regions(&s->c_region); diff -ruN linux-original/drivers/pcmcia/cs_internal.h linux/drivers/pcmcia/cs_internal.h --- linux-original/drivers/pcmcia/cs_internal.h 2004-10-28 21:53:20.551670416 +0200 +++ linux/drivers/pcmcia/cs_internal.h 2004-10-28 21:53:54.415522328 +0200 @@ -18,19 +18,7 @@ #include #define CLIENT_MAGIC 0x51E6 -typedef struct client_t { - u_short client_magic; - struct pcmcia_socket *Socket; - u_char Function; - dev_info_t dev_info; - u_int Attributes; - u_int state; - event_t EventMask, PendingEvents; - int (*event_handler)(event_t event, int priority, - event_callback_args_t *); - event_callback_args_t event_callback_args; - struct client_t *next; -} client_t; +typedef struct client_t client_t; /* Flags in client state */ #define CLIENT_CONFIG_LOCKED 0x0001 diff -ruN linux-original/drivers/pcmcia/ds.c linux/drivers/pcmcia/ds.c --- linux-original/drivers/pcmcia/ds.c 2004-10-28 21:53:20.553670112 +0200 +++ linux/drivers/pcmcia/ds.c 2004-10-28 21:53:54.417522024 +0200 @@ -350,6 +350,7 @@ static void pcmcia_release_dev(struct device *dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); + ds_dbg(1, "releasing dev %p\n", p_dev); pcmcia_put_bus_socket(p_dev->socket->pcmcia); kfree(p_dev); } @@ -423,11 +424,11 @@ if (p_dev->socket != data->skt) return 0; - if (p_dev->client->state & (CLIENT_UNBOUND|CLIENT_STALE)) + if (p_dev->client.state & (CLIENT_UNBOUND|CLIENT_STALE)) return 0; - if (p_dev->client->EventMask & data->event) - return EVENT(p_dev->client, data->event, data->priority); + if (p_dev->client.EventMask & data->event) + return EVENT(&p_dev->client, data->event, data->priority); return 0; } @@ -553,10 +554,10 @@ { struct pcmcia_driver *p_drv; struct pcmcia_device *p_dev, *tmp_dev; - client_t *client; unsigned long flags; int ret = 0; + s = pcmcia_get_bus_socket(s); if (!s) return -EINVAL; @@ -564,26 +565,9 @@ (char *)bind_info->dev_info); p_drv = get_pcmcia_driver(&bind_info->dev_info); - if (!p_drv) - return -EINVAL; - - if (!try_module_get(p_drv->owner)) + if ((!p_drv) || (!try_module_get(p_drv->owner))) return -EINVAL; - client = (client_t *) kmalloc(sizeof(client_t), GFP_KERNEL); - if (!client) { - ret = -ENOMEM; - goto err_put; - } - memset(client, 0, sizeof(client_t)); - - client->client_magic = CLIENT_MAGIC; - client->Socket = s->parent; - client->Function = bind_info->function; - client->state = CLIENT_UNBOUND; - client->next = s->parent->clients; - strlcpy(client->dev_info, p_drv->drv.name, DEV_NAME_LEN); - /* Currently, the userspace pcmcia cardmgr detects pcmcia devices. * Here this information is translated into a kernel * struct pcmcia_device. @@ -593,20 +577,12 @@ if (!p_dev) { ret = -ENOMEM; pcmcia_put_bus_socket(s); - goto err_free_client; + goto err_put; } memset(p_dev, 0, sizeof(struct pcmcia_device)); - s = pcmcia_get_bus_socket(s); - if (!s) { - ret = -ENODEV; - kfree(p_dev); - goto err_free_client; - } - p_dev->socket = s->parent; p_dev->func = bind_info->function; - p_dev->client = client; p_dev->dev.bus = &pcmcia_bus_type; p_dev->dev.parent = s->parent->dev.dev; @@ -614,11 +590,18 @@ sprintf (p_dev->dev.bus_id, "pcmcia%d.%d", p_dev->socket->sock, p_dev->func); p_dev->dev.driver = &p_drv->drv; + /* compat */ + p_dev->client.client_magic = CLIENT_MAGIC; + p_dev->client.Socket = s->parent; + p_dev->client.Function = bind_info->function; + p_dev->client.state = CLIENT_UNBOUND; + strlcpy(p_dev->client.dev_info, p_drv->drv.name, DEV_NAME_LEN); + ret = device_register(&p_dev->dev); if (ret) { kfree(p_dev); pcmcia_put_bus_socket(s); - goto err_free_client; + goto err_put; } /* @@ -638,15 +621,11 @@ list_add_tail(&p_dev->socket_device_list, &s->devices_list); spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - /* finally here the parent client is registered */ - s->parent->clients = client; - if (p_drv->attach) { p_dev->instance = p_drv->attach(); - if (!p_dev->instance) { + if ((!p_dev->instance) || (p_dev->client.state & CLIENT_UNBOUND)) { printk(KERN_NOTICE "ds: unable to create instance " "of '%s'!\n", (char *)bind_info->dev_info); - /* FIXME: client isn't freed here */ ret = -ENODEV; goto err_unregister; } @@ -656,8 +635,6 @@ err_unregister: device_unregister(&p_dev->dev); - err_free_client: - kfree(client); err_put: module_put(p_drv->owner); return (ret); @@ -686,11 +663,11 @@ continue; spin_lock_irqsave(&pcmcia_dev_list_lock, flags); list_for_each_entry(p_dev, &skt->devices_list, socket_device_list) { - if ((p_dev->client->state & CLIENT_UNBOUND) && - (!strcmp(p_dev->client->dev_info, (char *)req->dev_info))) { + if ((p_dev->client.state & CLIENT_UNBOUND) && + (!strcmp(p_dev->client.dev_info, (char *)req->dev_info))) { p_dev = get_p_dev(p_dev); if (p_dev) - client = p_dev->client; + client = &p_dev->client; spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); goto found; } @@ -749,7 +726,6 @@ } up(&s->skt_sem); - put_p_dev(p_dev); /* FIXME: put in deregister_client. */ return CS_SUCCESS; out_no_resource: @@ -871,7 +847,7 @@ } p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list); list_del(&p_dev->socket_device_list); - p_dev->client->state |= CLIENT_STALE; + p_dev->client.state |= CLIENT_STALE; spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); /* detach the "instance" */ @@ -890,44 +866,35 @@ int pcmcia_deregister_client(client_handle_t handle) { - client_t **client; struct pcmcia_socket *s; - u_long flags; int i; - + struct pcmcia_device *p_dev = handle_to_pdev(handle); + if (CHECK_HANDLE(handle)) return CS_BAD_HANDLE; s = SOCKET(handle); ds_dbg(1, "deregister_client(%p)\n", handle); - if (handle->state & - (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED)) - return CS_IN_USE; + if (handle->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED)) + goto warn_out; for (i = 0; i < MAX_WIN; i++) if (handle->state & CLIENT_WIN_REQ(i)) - return CS_IN_USE; + goto warn_out; - if ((handle->state & CLIENT_STALE) || - (handle->Attributes & INFO_MASTER_CLIENT)) { - spin_lock_irqsave(&s->lock, flags); - client = &s->clients; - while ((*client) && ((*client) != handle)) - client = &(*client)->next; - if (*client == NULL) { - spin_unlock_irqrestore(&s->lock, flags); - return CS_BAD_HANDLE; - } - *client = handle->next; + if (handle->state & CLIENT_STALE) { handle->client_magic = 0; - kfree(handle); - spin_unlock_irqrestore(&s->lock, flags); + handle->state &= ~CLIENT_STALE; + put_p_dev(p_dev); } else { handle->state = CLIENT_UNBOUND; handle->event_handler = NULL; } return CS_SUCCESS; + warn_out: + printk(KERN_WARNING "ds: deregister_client was called too early.\n"); + return CS_IN_USE; } /* deregister_client */ EXPORT_SYMBOL(pcmcia_deregister_client); diff -ruN linux-original/drivers/scsi/pcmcia/aha152x_stub.c linux/drivers/scsi/pcmcia/aha152x_stub.c --- linux-original/drivers/scsi/pcmcia/aha152x_stub.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/scsi/pcmcia/aha152x_stub.c 2004-10-28 21:53:37.342117880 +0200 @@ -347,10 +347,7 @@ static void __exit exit_aha152x_cs(void) { pcmcia_unregister_driver(&aha152x_cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - aha152x_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_aha152x_cs); diff -ruN linux-original/drivers/scsi/pcmcia/fdomain_stub.c linux/drivers/scsi/pcmcia/fdomain_stub.c --- linux-original/drivers/scsi/pcmcia/fdomain_stub.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/scsi/pcmcia/fdomain_stub.c 2004-10-28 21:53:37.342117880 +0200 @@ -328,10 +328,7 @@ static void __exit exit_fdomain_cs(void) { pcmcia_unregister_driver(&fdomain_cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - fdomain_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_fdomain_cs); diff -ruN linux-original/drivers/scsi/pcmcia/nsp_cs.c linux/drivers/scsi/pcmcia/nsp_cs.c --- linux-original/drivers/scsi/pcmcia/nsp_cs.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/scsi/pcmcia/nsp_cs.c 2004-10-28 21:53:37.357115600 +0200 @@ -2194,10 +2194,9 @@ #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); -#endif - /* XXX: this really needs to move into generic code.. */ while (dev_list != NULL) { if (dev_list->state & DEV_CONFIG) { @@ -2205,6 +2204,7 @@ } nsp_cs_detach(dev_list); } +#endif } diff -ruN linux-original/drivers/scsi/pcmcia/qlogic_stub.c linux/drivers/scsi/pcmcia/qlogic_stub.c --- linux-original/drivers/scsi/pcmcia/qlogic_stub.c 2004-10-28 21:12:46.000000000 +0200 +++ linux/drivers/scsi/pcmcia/qlogic_stub.c 2004-10-28 21:53:37.358115448 +0200 @@ -432,10 +432,7 @@ static void __exit exit_qlogic_cs(void) { pcmcia_unregister_driver(&qlogic_cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - qlogic_detach(dev_list); + BUG_ON(dev_list != NULL); } MODULE_AUTHOR("Tom Zerucha, Michael Griffith"); diff -ruN linux-original/drivers/serial/serial_cs.c linux/drivers/serial/serial_cs.c --- linux-original/drivers/serial/serial_cs.c 2004-10-28 21:12:51.000000000 +0200 +++ linux/drivers/serial/serial_cs.c 2004-10-28 21:53:37.359115296 +0200 @@ -749,10 +749,7 @@ static void __exit exit_serial_cs(void) { pcmcia_unregister_driver(&serial_cs_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - serial_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(init_serial_cs); diff -ruN linux-original/drivers/telephony/ixj_pcmcia.c linux/drivers/telephony/ixj_pcmcia.c --- linux-original/drivers/telephony/ixj_pcmcia.c 2004-10-28 21:12:48.000000000 +0200 +++ linux/drivers/telephony/ixj_pcmcia.c 2004-10-28 21:53:37.359115296 +0200 @@ -313,10 +313,7 @@ static void ixj_pcmcia_exit(void) { pcmcia_unregister_driver(&ixj_driver); - - /* XXX: this really needs to move into generic code.. */ - while (dev_list != NULL) - ixj_detach(dev_list); + BUG_ON(dev_list != NULL); } module_init(ixj_pcmcia_init); diff -ruN linux-original/include/pcmcia/ds.h linux/include/pcmcia/ds.h --- linux-original/include/pcmcia/ds.h 2004-10-28 21:53:20.567667984 +0200 +++ linux/include/pcmcia/ds.h 2004-10-28 21:53:54.418521872 +0200 @@ -128,7 +128,6 @@ struct pcmcia_socket; -struct client_t; extern struct bus_type pcmcia_bus_type; @@ -154,14 +153,26 @@ /* deprecated, a cleaned up version will be moved into this struct soon */ dev_link_t *instance; - struct client_t *client; - + struct client_t { + u_short client_magic; + struct pcmcia_socket *Socket; + u_char Function; + dev_info_t dev_info; + u_int Attributes; + u_int state; + event_t EventMask, PendingEvents; + int (*event_handler) (event_t event, int priority, + event_callback_args_t *); + event_callback_args_t event_callback_args; + } client; + struct device dev; }; #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev) #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv) +#define handle_to_pdev(handle) container_of(handle, struct pcmcia_device, client); /* error reporting */ void cs_error(client_handle_t handle, int func, int ret); diff -ruN linux-original/include/pcmcia/ss.h linux/include/pcmcia/ss.h --- linux-original/include/pcmcia/ss.h 2004-10-28 21:53:20.569667680 +0200 +++ linux/include/pcmcia/ss.h 2004-10-28 21:53:54.418521872 +0200 @@ -153,7 +153,6 @@ u_int state; u_short functions; u_short lock_count; - client_handle_t clients; pccard_mem_map cis_mem; void __iomem *cis_virt; struct config_t *config; diff -ruN linux-original/sound/pcmcia/pdaudiocf/pdaudiocf.c linux/sound/pcmcia/pdaudiocf/pdaudiocf.c --- linux-original/sound/pcmcia/pdaudiocf/pdaudiocf.c 2004-10-28 21:12:54.000000000 +0200 +++ linux/sound/pcmcia/pdaudiocf/pdaudiocf.c 2004-10-28 21:53:37.360115144 +0200 @@ -274,15 +274,6 @@ } /* - * snd_pdacf_detach_all - detach all instances linked to the hw - */ -static void snd_pdacf_detach_all(void) -{ - while (dev_list != NULL) - snd_pdacf_detach(dev_list); -} - -/* * configuration callback */ @@ -413,7 +404,7 @@ static void __exit exit_pdacf(void) { pcmcia_unregister_driver(&pdacf_cs_driver); - snd_pdacf_detach_all(); + BUG_ON(dev_list != NULL); } module_init(init_pdacf); diff -ruN linux-original/sound/pcmcia/vx/vx_entry.c linux/sound/pcmcia/vx/vx_entry.c --- linux-original/sound/pcmcia/vx/vx_entry.c 2004-10-28 21:12:54.000000000 +0200 +++ linux/sound/pcmcia/vx/vx_entry.c 2004-10-28 21:53:37.361114992 +0200 @@ -245,15 +245,6 @@ } /* - * snd_vxpocket_detach_all - detach all instances linked to the hw - */ -void snd_vxpocket_detach_all(struct snd_vxp_entry *hw) -{ - while (hw->dev_list != NULL) - snd_vxpocket_detach(hw, hw->dev_list); -} - -/* * configuration callback */ @@ -373,4 +364,3 @@ EXPORT_SYMBOL(snd_vxpocket_ops); EXPORT_SYMBOL(snd_vxpocket_attach); EXPORT_SYMBOL(snd_vxpocket_detach); -EXPORT_SYMBOL(snd_vxpocket_detach_all); diff -ruN linux-original/sound/pcmcia/vx/vxpocket.c linux/sound/pcmcia/vx/vxpocket.c --- linux-original/sound/pcmcia/vx/vxpocket.c 2004-10-28 21:12:54.000000000 +0200 +++ linux/sound/pcmcia/vx/vxpocket.c 2004-10-28 21:53:37.361114992 +0200 @@ -165,7 +165,7 @@ static void __exit exit_vxpocket(void) { pcmcia_unregister_driver(&vxp_cs_driver); - snd_vxpocket_detach_all(&hw_entry); + BUG_ON(hw_entry.dev_list != NULL); } module_init(init_vxpocket); diff -ruN linux-original/sound/pcmcia/vx/vxpocket.h linux/sound/pcmcia/vx/vxpocket.h --- linux-original/sound/pcmcia/vx/vxpocket.h 2004-10-28 21:12:54.000000000 +0200 +++ linux/sound/pcmcia/vx/vxpocket.h 2004-10-28 21:53:37.362114840 +0200 @@ -77,7 +77,6 @@ */ dev_link_t *snd_vxpocket_attach(struct snd_vxp_entry *hw); void snd_vxpocket_detach(struct snd_vxp_entry *hw, dev_link_t *link); -void snd_vxpocket_detach_all(struct snd_vxp_entry *hw); int vxp_add_mic_controls(vx_core_t *chip);