1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 345a191926a4..49ea5add4abc 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -427,6 +427,7 @@ int
 zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, void *sbale_addr)
 {
         struct zfcp_fsf_req *fsf_req;
+        unsigned long flags;
 
         /* invalid (per convention used in this driver) */
         if (unlikely(!sbale_addr)) {
@@ -438,15 +439,15 @@ zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, void *sbale_addr)
         fsf_req = (struct zfcp_fsf_req *) sbale_addr;
 
         /* serialize with zfcp_fsf_req_dismiss_all */
-        spin_lock(&adapter->fsf_req_list_lock);
+        spin_lock_irqsave(&adapter->fsf_req_list_lock, flags);
         if (list_empty(&adapter->fsf_req_list_head)) {
-                spin_unlock(&adapter->fsf_req_list_lock);
+                spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags);
                 return 0;
         }
         list_del(&fsf_req->list);
         atomic_dec(&adapter->fsf_reqs_active);
-        spin_unlock(&adapter->fsf_req_list_lock);
-        
+        spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags);
+
         if (unlikely(adapter != fsf_req->adapter)) {
                 ZFCP_LOG_NORMAL("bug: invalid reqid (fsf_req=%p, "
                                 "fsf_req->adapter=%p, adapter=%p)\n",