tree 17da4b80fd81b2972a059926fc20648586fb573b
parent 962982329029acb6651f81b47cb401e593bb62df
author Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com> 1403093806 +0200
committer Cornelia Huck <cornelia.huck@de.ibm.com> 1403525011 +0200

pc-bios/s390-ccw: fix for fragmented SCSI bootmap

We need to interpret the last entry of the bootmap with zero
block count as "continuation pointer".
The "last entry" is being detected by pre-filling of the scratch
space with known values and respective look-ahead.

Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>