1 files changed, 21 insertions, 1 deletions

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 3c1d22097ad0..e1a8cc2526e7 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -191,7 +191,7 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
         length = min((u16)sizeof(struct qdio_buffer),
                      (u16)ZFCP_DBF_PAY_MAX_REC);
 
-        while ((char *)pl[payload->counter] && payload->counter < scount) {
+        while (payload->counter < scount && (char *)pl[payload->counter]) {
                 memcpy(payload->data, (char *)pl[payload->counter], length);
                 debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length));
                 payload->counter++;
@@ -200,6 +200,26 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
         spin_unlock_irqrestore(&dbf->pay_lock, flags);
 }
 
+/**
+ * zfcp_dbf_hba_basic - trace event for basic adapter events
+ * @adapter: pointer to struct zfcp_adapter
+ */
+void zfcp_dbf_hba_basic(char *tag, struct zfcp_adapter *adapter)
+{
+        struct zfcp_dbf *dbf = adapter->dbf;
+        struct zfcp_dbf_hba *rec = &dbf->hba_buf;
+        unsigned long flags;
+
+        spin_lock_irqsave(&dbf->hba_lock, flags);
+        memset(rec, 0, sizeof(*rec));
+
+        memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+        rec->id = ZFCP_DBF_HBA_BASIC;
+
+        debug_event(dbf->hba, 1, rec, sizeof(*rec));
+        spin_unlock_irqrestore(&dbf->hba_lock, flags);
+}
+
 static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec,
                                 struct zfcp_adapter *adapter,
                                 struct zfcp_port *port,