diff options
Diffstat (limited to 'drivers/s390/crypto')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.c | 3 | ||||
| -rw-r--r-- | drivers/s390/crypto/ap_bus.h | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 8f1d1cf23d44..59ac98f2bd27 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -2086,6 +2086,9 @@ static inline void ap_scan_adapter(int ap) */ static bool ap_get_configuration(void) { + if (!ap_qci_info) /* QCI not supported */ + return false; + memcpy(ap_qci_info_old, ap_qci_info, sizeof(*ap_qci_info)); ap_fetch_qci_info(ap_qci_info); diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index 0c40af157df2..0f17933954fb 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -148,12 +148,16 @@ struct ap_driver { /* * Called at the start of the ap bus scan function when * the crypto config information (qci) has changed. + * This callback is not invoked if there is no AP + * QCI support available. */ void (*on_config_changed)(struct ap_config_info *new_config_info, struct ap_config_info *old_config_info); /* * Called at the end of the ap bus scan function when * the crypto config information (qci) has changed. + * This callback is not invoked if there is no AP + * QCI support available. */ void (*on_scan_complete)(struct ap_config_info *new_config_info, struct ap_config_info *old_config_info); |