[SCSI] mptfusion: Proper error handling is added after mpt_config timeout

Added proper error handling after mpt_config.
Now check of MPI_IOCSTATUS_CONFIG_INVALID_PAGE is added.
If error is MPI_IOCSTATUS_CONFIG_INVALID_PAGE, driver will return -ENODEV.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 77f21e0..ac000e8 100644 (file)
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -2523,6 +2523,12 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
        cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 
        error = mpt_config(ioc, &cfg);
+
+       if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
+               error = -ENODEV;
+               goto out_free_consistent;
+       }
+
        if (error)
                goto out_free_consistent;
 
@@ -2599,14 +2605,14 @@ mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
        cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 
        error = mpt_config(ioc, &cfg);
-       if (error)
-               goto out_free_consistent;
-
-       if (!buffer->NumPhys) {
+       if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
                error = -ENODEV;
                goto out_free_consistent;
        }
 
+       if (error)
+               goto out_free_consistent;
+
        /* save config data */
        port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1;
        port_info->phy_info = kcalloc(port_info->num_phys,
@@ -2682,7 +2688,7 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
 
        if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
                error = -ENODEV;
-               goto out;
+               goto out_free_consistent;
        }
 
        if (error)