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isdn/gigaset: remove dummy CAPI method implementations

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Dummy implementations for the optional CAPI controller operations
load_firmware and reset_ctr can cause userspace callers to hang
indefinitely. It's better not to implement them at all.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Acked-by: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2010-05-23 01:02:38 +00:00 committed by David S. Miller
parent 85a83560af
commit e487639dc8
1 changed files with 2 additions and 26 deletions
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28
drivers/isdn/gigaset/capi.c
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@ -932,30 +932,6 @@ void gigaset_isdn_stop(struct cardstate *cs)
* ============================
*/
/*
* load firmware
*/
static int gigaset_load_firmware(struct capi_ctr *ctr, capiloaddata *data)
{
struct cardstate *cs = ctr->driverdata;
/* AVM specific operation, not needed for Gigaset -- ignore */
dev_notice(cs->dev, "load_firmware ignored\n");
return 0;
}
/*
* reset (deactivate) controller
*/
static void gigaset_reset_ctr(struct capi_ctr *ctr)
{
struct cardstate *cs = ctr->driverdata;
/* AVM specific operation, not needed for Gigaset -- ignore */
dev_notice(cs->dev, "reset_ctr ignored\n");
}
/*
* register CAPI application
*/
@ -2213,8 +2189,8 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
iif->ctr.driverdata = cs;
strncpy(iif->ctr.name, isdnid, sizeof(iif->ctr.name));
iif->ctr.driver_name = "gigaset";
iif->ctr.load_firmware = gigaset_load_firmware;
iif->ctr.reset_ctr = gigaset_reset_ctr;
iif->ctr.load_firmware = NULL;
iif->ctr.reset_ctr = NULL;
iif->ctr.register_appl = gigaset_register_appl;
iif->ctr.release_appl = gigaset_release_appl;
iif->ctr.send_message = gigaset_send_message;