diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_aux.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index d2b094d9c34..504c9219961 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -189,6 +189,10 @@ struct zfcp_fsf_req *zfcp_reqlist_ismember(struct zfcp_adapter *adapter, struct zfcp_fsf_req *request, *tmp; unsigned int i; + /* 0 is reserved as an invalid req_id */ + if (req_id == 0) + return NULL; + i = req_id % REQUEST_LIST_SIZE; list_for_each_entry_safe(request, tmp, &adapter->req_list[i], list) |