There were misplaced spinlock acquires and releases in the probe, close and release
paths which were causing might_sleep and schedule while atomic error messages accompanied
by stack traces when the kernel was compiled with SMP support. Bug reported by Reben Jenster
<ruben@hotheads.de>
Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>