[S390] cio: Reset sch->driver.
authorCornelia Huck <cornelia.huck@de.ibm.com>
Sat, 26 Jan 2008 13:10:40 +0000 (14:10 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Sat, 26 Jan 2008 13:10:57 +0000 (14:10 +0100)
sch->driver needs to be reset to NULL on failed probe and after
remove. We also need to check for sch->driver on shutdown.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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