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@xxxxxxx> --- diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index dd10a82..0ac3881 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -2522,6 +2522,12 @@ 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; @@ -2598,14 +2604,14 @@ 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, @@ -2681,7 +2687,7 @@ 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) -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html