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path: root/drivers/s390/scsi/zfcp_scsi.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 16e2d64658a..0acf6db0a08 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -569,6 +569,9 @@ zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
int retval = 0;
static unsigned int unique_id = 0;
+ if (adapter->scsi_host)
+ goto out;
+
/* register adapter as SCSI host with mid layer of SCSI stack */
adapter->scsi_host = scsi_host_alloc(&zfcp_data.scsi_host_template,
sizeof (struct zfcp_adapter *));