diff options
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 852b8c2299c1..1058b4b5cc1e 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -822,7 +822,7 @@ static long _zcrypt_send_cprb(struct ap_perms *perms, struct ap_message ap_msg; unsigned int weight, pref_weight; unsigned int func_code; - unsigned short *domain; + unsigned short *domain, tdom; int qid = 0, rc = -ENODEV; struct module *mod; @@ -834,6 +834,17 @@ static long _zcrypt_send_cprb(struct ap_perms *perms, if (rc) goto out; + /* + * If a valid target domain is set and this domain is NOT a usage + * domain but a control only domain, use the default domain as target. + */ + tdom = *domain; + if (tdom >= 0 && tdom < AP_DOMAINS && + !ap_test_config_usage_domain(tdom) && + ap_test_config_ctrl_domain(tdom) && + ap_domain_index >= 0) + tdom = ap_domain_index; + pref_zc = NULL; pref_zq = NULL; spin_lock(&zcrypt_list_lock); @@ -856,8 +867,8 @@ static long _zcrypt_send_cprb(struct ap_perms *perms, /* check if device is online and eligible */ if (!zq->online || !zq->ops->send_cprb || - ((*domain != (unsigned short) AUTOSELECT) && - (*domain != AP_QID_QUEUE(zq->queue->qid)))) + (tdom != (unsigned short) AUTOSELECT && + tdom != AP_QID_QUEUE(zq->queue->qid))) continue; /* check if device node has admission for this queue */ if (!zcrypt_check_queue(perms, |