SCSI: mpt3sas: Infinite loops can occur if MPI2_IOCSTATUS_CONFIG_INVALID_PAGE is...

SCSI: mpt3sas: Infinite loops can occur if MPI2_IOCSTATUS_CONFIG_INVALID_PAGE is not returned

commit 14be49ac965ebd3f8561d57e01ddb22f93f9b454 upstream.

Infinite loop can occur if IOCStatus is not equal to
MPI2_IOCSTATUS_CONFIG_INVALID_PAGE value in the while loops in functions
_scsih_search_responding_sas_devices,
_scsih_search_responding_raid_devices and
_scsih_search_responding_expanders

So, Instead of checking for MPI2_IOCSTATUS_CONFIG_INVALID_PAGE value,
in this patch code is modified to check for IOCStatus not equals to
MPI2_IOCSTATUS_SUCCESS to break the while loop.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>