tree ab344befd3d74f3ff168d0ab264adb3020e60a34
parent 1541f845d123a48fbca3cee32b2963b3fb3da83a
author Alan Cox <alan@linux.intel.com> 1337003482 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1337011468 -0700

tty: Allow uart_register/unregister/register

This is legitimate but because we don't clear the drv->state pointer in the
unregister code causes a bogus BUG().

Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=42880
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>