s390x/css: catch ccw sequence errors
commite8601dd5d0ffa909068ddefe33bf6a53d8af063a
authorCornelia Huck <cornelia.huck@de.ibm.com>
Fri, 5 Sep 2014 07:33:18 +0000 (5 09:33 +0200)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Tue, 23 Sep 2014 12:10:17 +0000 (23 14:10 +0200)
treeb75f2781b12431b883aa6116e761d61c14f23760
parenta327c9215d8a9b5935ea807aaa9b65ccd23ec615
s390x/css: catch ccw sequence errors

We must not allow chains of more than 255 ccws without data transfer.

Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
hw/s390x/css.c
hw/s390x/css.h