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path: root/drivers/isdn/capi/kcapi.c
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Diffstat (limited to 'drivers/isdn/capi/kcapi.c')
-rw-r--r--drivers/isdn/capi/kcapi.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index bd00dceacaf0..b054494df846 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -1020,12 +1020,12 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
if (cmd == AVMB1_ADDCARD) {
if ((retval = copy_from_user(&cdef, data,
sizeof(avmb1_carddef))))
- return retval;
+ return -EFAULT;
cdef.cardtype = AVM_CARDTYPE_B1;
} else {
if ((retval = copy_from_user(&cdef, data,
sizeof(avmb1_extcarddef))))
- return retval;
+ return -EFAULT;
}
cparams.port = cdef.port;
cparams.irq = cdef.irq;
@@ -1147,6 +1147,12 @@ load_unlock_out:
if (ctr->state == CAPI_CTR_DETECTED)
goto reset_unlock_out;
+ if (ctr->reset_ctr == NULL) {
+ printk(KERN_DEBUG "kcapi: reset: no reset function\n");
+ retval = -ESRCH;
+ goto reset_unlock_out;
+ }
+
ctr->reset_ctr(ctr);
retval = wait_on_ctr_state(ctr, CAPI_CTR_DETECTED);
@@ -1212,7 +1218,7 @@ int capi20_manufacturer(unsigned int cmd, void __user *data)
kcapi_carddef cdef;
if ((retval = copy_from_user(&cdef, data, sizeof(cdef))))
- return retval;
+ return -EFAULT;
cparams.port = cdef.port;
cparams.irq = cdef.irq;