scsi: qla2xxx: Prevent sysfs access when chip is down
Prevent user from sending commands through sysfs while firmware is not
running or reset is in progress.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index bcbdf28..acf6511 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -202,6 +202,12 @@ qla2x00_reset_active(scsi_qla_host_t *vha)
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
}
+static inline int
+qla2x00_chip_is_down(scsi_qla_host_t *vha)
+{
+ return (qla2x00_reset_active(vha) || !vha->hw->flags.fw_started);
+}
+
static inline srb_t *
qla2xxx_get_qpair_sp(struct qla_qpair *qpair, fc_port_t *fcport, gfp_t flag)
{