[SCSI] qla2xxx: Prevent sending mbx commands from sysfs during isp reset.

The fix prevents application path from sending get-firmware-state mbx command
during as isp reset.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 90d1e062ec4f..35a325266afa 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1274,7 +1274,11 @@ qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
         int rval = QLA_FUNCTION_FAILED;
         uint16_t state[5];
 
-        if (!vha->hw->flags.eeh_busy)
+        if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+                test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
+                DEBUG2_3_11(printk("%s(%ld): isp reset in progress.\n",
+                        __func__, vha->host_no));
+        else if (!vha->hw->flags.eeh_busy)
                 rval = qla2x00_get_firmware_state(vha, state);
         if (rval != QLA_SUCCESS)
                 memset(state, -1, sizeof(state));