[S390] dasd: add sanity check to detect path connection error
authorStefan Haberland <stefan.haberland@de.ibm.com>
Tue, 27 Dec 2011 10:27:27 +0000 (11:27 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 27 Dec 2011 10:27:14 +0000 (11:27 +0100)
Prevents possible data corruption by detecting cabling error.
Therefor read and compare the UID for all available channel paths.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

No differences found