In fixing the /proc/misc problem that was reported last week where the tpm
module name was being obfuscated in /proc/misc I introduced a bug in the
module unloading code.  This patch fixes the problem.
Signed-off-by: NKylene Hall <kjhall@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>