From b206181d636d416fde48c7f493d7ac5d935b57e3 Mon Sep 17 00:00:00 2001
From: Stefan Haberland <stefan.haberland@de.ibm.com>
Date: Tue, 27 Dec 2011 11:27:27 +0100
Subject: [PATCH] [S390] dasd: add sanity check to detect path connection error

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>
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