diff options
Diffstat (limited to 'drivers/s390/crypto/ap_bus.h')
| -rw-r--r-- | drivers/s390/crypto/ap_bus.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index a35362241805..fcf2497556dd 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -167,6 +167,17 @@ struct ap_message { .dev_type=(dt), \ .match_flags=AP_DEVICE_ID_MATCH_DEVICE_TYPE, +/** + * ap_init_message() - Initialize ap_message. + * Initialize a message before using. Otherwise this might result in + * unexpected behaviour. + */ +static inline void ap_init_message(struct ap_message *ap_msg) +{ + ap_msg->psmid = 0; + ap_msg->length = 0; +} + /* * Note: don't use ap_send/ap_recv after using ap_queue_message * for the first time. Otherwise the ap message queue will get |