Commits
Michał Mirosław committed 95a9680ccf0
usb: gadget: u_serial: add missing port entry locking commit daf82bd24e308c5a83758047aff1bd81edda4f11 upstream. gserial_alloc_line() misses locking (for a release barrier) while resetting port entry on TTY allocation failure. Fix this. Cc: stable@vger.kernel.org Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tested-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>