diff options
Diffstat (limited to 'drivers/s390/scsi')
| -rw-r--r-- | drivers/s390/scsi/zfcp_erp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index e8fc28dba8df..96f0d34e9459 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -11,6 +11,7 @@ #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/kthread.h> +#include <linux/bug.h> #include "zfcp_ext.h" #include "zfcp_reqlist.h" @@ -217,6 +218,12 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(enum zfcp_erp_act_type need, struct zfcp_erp_action *erp_action; struct zfcp_scsi_dev *zfcp_sdev; + if (WARN_ON_ONCE(need != ZFCP_ERP_ACTION_REOPEN_LUN && + need != ZFCP_ERP_ACTION_REOPEN_PORT && + need != ZFCP_ERP_ACTION_REOPEN_PORT_FORCED && + need != ZFCP_ERP_ACTION_REOPEN_ADAPTER)) + return NULL; + switch (need) { case ZFCP_ERP_ACTION_REOPEN_LUN: zfcp_sdev = sdev_to_zfcp(sdev); |