qla2xxx: Fix stale pointer access.

[firefly-linux-kernel-4.4.55.git] / drivers / scsi / qla2xxx / qla_os.c

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index bfa9a64c316b6ca2eec9a1b2277608f68101d92d..fc6674db4f2db3b5da454c0df566e638477d8114 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -397,6 +397,9 @@ static void qla2x00_free_queues(struct qla_hw_data *ha)
        int cnt;
 
        for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
+               if (!test_bit(cnt, ha->req_qid_map))
+                       continue;
+
                req = ha->req_q_map[cnt];
                qla2x00_free_req_que(ha, req);
        }
@@ -404,6 +407,9 @@ static void qla2x00_free_queues(struct qla_hw_data *ha)
        ha->req_q_map = NULL;
 
        for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
+               if (!test_bit(cnt, ha->rsp_qid_map))
+                       continue;
+
                rsp = ha->rsp_q_map[cnt];
                qla2x00_free_rsp_que(ha, rsp);
        }