driver core fixes: make_class_name() retval checks
authorCornelia Huck <cornelia.huck@de.ibm.com>
Mon, 27 Nov 2006 09:35:05 +0000 (10:35 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 7 Feb 2007 18:37:12 +0000 (10:37 -0800)
Make make_class_name() return NULL on error and fixup callers in the
driver core.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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