[S390] cio: fix subchannel channel-path data usage
authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>
Fri, 27 Apr 2007 14:01:35 +0000 (16:01 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 27 Apr 2007 14:01:40 +0000 (16:01 +0200)
commit7ad6a24970325294a22a08446d473384c15b928e
treec8f1e25035b207e2a45a29138309acaee20d6cb6
parent83b3370c79b91b9be3f6540c3c914e689134b45f
[S390] cio: fix subchannel channel-path data usage

Ensure that channel-path related subchannel data is only retrieved and
used when it is valid and that it is updated when it may have changed.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/chsc.c
drivers/s390/cio/chsc.h
drivers/s390/cio/cio.h
drivers/s390/cio/css.c
drivers/s390/cio/css.h
drivers/s390/cio/device.c
drivers/s390/cio/device_fsm.c