Commits
Dan Carpenter committed c976cc3aa99
Staging: generic_serial: fix double locking bug spin_lock_irqsave() is not nestable. The second time that it gets called it overwrites the "flags" variable and so IRQs can't be restored properly. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>