
The driver_override implementation is susceptible to a race condition when different threads are reading vs storing a different driver override. Add locking to avoid this race condition. Cfr. commits6265539776
("driver core: platform: fix race condition with driver_override") and9561475db6
("PCI: Fix race condition with driver_override"). Fixes:3cf3857134
("ARM: 8256/1: driver coamba: add device binding path 'driver_override'") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Todd Kjos <tkjos@google.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>