fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / isdn / hardware / eicon / diva.c

diff --git a/drivers/isdn/hardware/eicon/diva.c b/drivers/isdn/hardware/eicon/diva.c
index 47cf327..ffa2afa 100644 (file)
--- a/drivers/isdn/hardware/eicon/diva.c
+++ b/drivers/isdn/hardware/eicon/diva.c
@@ -71,8 +71,6 @@ DivaIdiReqFunc(29)
 DivaIdiReqFunc(30)
 DivaIdiReqFunc(31)
 
-struct pt_regs;
-
 /*
 **  LOCALS
 */
@@ -131,7 +129,7 @@ static diva_supported_cards_info_t divas_supported_cards[] = {
        /*
           EOL
         */
-       {-1, 0}
+       {-1}
 };
 
 static void diva_init_request_array(void);
@@ -174,7 +172,7 @@ void *diva_driver_add_card(void *pdev, unsigned long CardOrdinal)
        for (i = 0; divas_supported_cards[i].CardOrdinal != -1; i++) {
                if (divas_supported_cards[i].CardOrdinal == CardOrdinal) {
                        if (!(pdiva = divas_create_pci_card(i, pdev))) {
-                               return (0);
+                               return NULL;
                        }
                        switch (CardOrdinal) {
                        case CARDTYPE_DIVASRV_Q_8M_PCI:
@@ -237,11 +235,11 @@ void *diva_driver_add_card(void *pdev, unsigned long CardOrdinal)
                        DBG_ERR(("can not alloc request array"))
                        diva_driver_remove_card(pdiva);
 
-                       return (0);
+                       return NULL;
                }
        }
 
-       return (0);
+       return NULL;
 }
 
 /* --------------------------------------------------------------------------
@@ -286,7 +284,7 @@ void diva_driver_remove_card(void *pdiva)
        int i;
 
        pa = a[0] = (diva_os_xdi_adapter_t *) pdiva;
-       a[1] = a[2] = a[3] = 0;
+       a[1] = a[2] = a[3] = NULL;
 
        diva_os_enter_spin_lock(&adapter_lock, &old_irql, "remode adapter");
 
@@ -311,7 +309,7 @@ void diva_driver_remove_card(void *pdiva)
                if (a[i]) {
                        if (a[i]->controller) {
                                DBG_LOG(("remove adapter (%d)",
-                                        a[i]->controller)) IoAdapters[a[i]->controller - 1] = 0;
+                                        a[i]->controller)) IoAdapters[a[i]->controller - 1] = NULL;
                                remove_adapter_proc(a[i]);
                        }
                        diva_os_free(0, a[i]);
@@ -332,7 +330,7 @@ static void *divas_create_pci_card(int handle, void *pci_dev_handle)
 
        if (!(a = (diva_os_xdi_adapter_t *) diva_os_malloc(0, sizeof(*a)))) {
                DBG_ERR(("A: can't alloc adapter"));
-               return (0);
+               return NULL;
        }
 
        memset(a, 0x00, sizeof(*a));
@@ -359,7 +357,7 @@ static void *divas_create_pci_card(int handle, void *pci_dev_handle)
                diva_os_leave_spin_lock(&adapter_lock, &old_irql, "found_pci_card");
                diva_os_free(0, a);
                DBG_ERR(("A: can't get adapter resources"));
-               return (0);
+               return NULL;
        }
 
        return (a);
@@ -377,7 +375,7 @@ void divasa_xdi_driver_unload(void)
                        (*(a->interface.cleanup_adapter_proc)) (a);
                }
                if (a->controller) {
-                       IoAdapters[a->controller - 1] = 0;
+                       IoAdapters[a->controller - 1] = NULL;
                        remove_adapter_proc(a);
                }
                diva_os_free(0, a);
@@ -388,7 +386,7 @@ void divasa_xdi_driver_unload(void)
 /*
 **  Receive and process command from user mode utility
 */
-void *diva_xdi_open_adapter(void *os_handle, const void *src,
+void *diva_xdi_open_adapter(void *os_handle, const void __user *src,
                            int length,
                            divas_xdi_copy_from_user_fn_t cp_fn)
 {
@@ -400,11 +398,11 @@ void *diva_xdi_open_adapter(void *os_handle, const void *src,
        if (length < sizeof(diva_xdi_um_cfg_cmd_t)) {
                DBG_ERR(("A: A(?) open, msg too small (%d < %d)",
                         length, sizeof(diva_xdi_um_cfg_cmd_t)))
-               return (0);
+               return NULL;
        }
        if ((*cp_fn) (os_handle, &msg, src, sizeof(msg)) <= 0) {
                DBG_ERR(("A: A(?) open, write error"))
-               return (0);
+               return NULL;
        }
        diva_os_enter_spin_lock(&adapter_lock, &old_irql, "open_adapter");
        list_for_each(tmp, &adapter_queue) {
@@ -432,12 +430,12 @@ void diva_xdi_close_adapter(void *adapter, void *os_handle)
        a->xdi_mbox.status &= ~DIVA_XDI_MBOX_BUSY;
        if (a->xdi_mbox.data) {
                diva_os_free(0, a->xdi_mbox.data);
-               a->xdi_mbox.data = 0;
+               a->xdi_mbox.data = NULL;
        }
 }
 
 int
-diva_xdi_write(void *adapter, void *os_handle, const void *src,
+diva_xdi_write(void *adapter, void *os_handle, const void __user *src,
               int length, divas_xdi_copy_from_user_fn_t cp_fn)
 {
        diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) adapter;
@@ -480,7 +478,7 @@ diva_xdi_write(void *adapter, void *os_handle, const void *src,
 **  Write answers to user mode utility, if any
 */
 int
-diva_xdi_read(void *adapter, void *os_handle, void *dst,
+diva_xdi_read(void *adapter, void *os_handle, void __user *dst,
              int max_length, divas_xdi_copy_to_user_fn_t cp_fn)
 {
        diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) adapter;
@@ -507,7 +505,7 @@ diva_xdi_read(void *adapter, void *os_handle, void *dst,
                      a->xdi_mbox.data_length);
        if (ret > 0) {
                diva_os_free(0, a->xdi_mbox.data);
-               a->xdi_mbox.data = 0;
+               a->xdi_mbox.data = NULL;
                a->xdi_mbox.status &= ~DIVA_XDI_MBOX_BUSY;
        }
 
@@ -515,7 +513,7 @@ diva_xdi_read(void *adapter, void *os_handle, void *dst,
 }
 
 
-irqreturn_t diva_os_irq_wrapper(int irq, void *context, struct pt_regs *regs)
+irqreturn_t diva_os_irq_wrapper(int irq, void *context)
 {
        diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) context;
        diva_xdi_clear_interrupts_proc_t clear_int_proc;
@@ -526,7 +524,7 @@ irqreturn_t diva_os_irq_wrapper(int irq, void *context, struct pt_regs *regs)
 
        if ((clear_int_proc = a->clear_interrupts_proc)) {
                (*clear_int_proc) (a);
-               a->clear_interrupts_proc = 0;
+               a->clear_interrupts_proc = NULL;
                return IRQ_HANDLED;
        }