[PATCH] isdn: fix missing unregister_capi_driver

[Akinobu Mita <akinobu.mita@gmail.com>]

unregister_capi_driver() needs to be called in module cleanup.
(It fixes data corruption by reloading t1isa driver)

Cc: Kai Germaschewski <kai.germaschewski@gmx.de>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>

 drivers/isdn/hardware/avm/t1isa.c |    1 +
 1 file changed, 1 insertion(+)

Index: work-fault-inject/drivers/isdn/hardware/avm/t1isa.c
===================================================================
--- work-fault-inject.orig/drivers/isdn/hardware/avm/t1isa.c
+++ work-fault-inject/drivers/isdn/hardware/avm/t1isa.c
@@ -584,6 +584,7 @@ static void __exit t1isa_exit(void)
 {
 	int i;
 
+	unregister_capi_driver(&capi_driver_t1isa);
 	for (i = 0; i < MAX_CARDS; i++) {
 		if (!io[i])
 			break;
-
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