[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)
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>

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