[SCSI] qla2xxx: Avoid null pointer dereference in shutdown routine.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 0612d25..9e3ae1d 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2808,6 +2808,9 @@
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
+ if (!atomic_read(&pdev->enable_cnt))
+ return;
+
vha = pci_get_drvdata(pdev);
ha = vha->hw;