linux-phytec-ti

pti: double-free security PTI fix

This patch fixes a double-free error that will not always be
seen unless /dev/pti char interface is stressed.

Signed-off-by: J Freyensee <james_p_freyensee@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>