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path: root/drivers/s390/scsi/zfcp_qdio.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_qdio.c')
-rw-r--r--drivers/s390/scsi/zfcp_qdio.c9
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",
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