On Thu, Apr 24, 2014 at 11:34:48AM +0200, Loic Poulain wrote: > __dma_tx_complete is not protected against concurrent > call of serial8250_tx_dma. it can lead to circular tail > index corruption or parallel call of serial_tx_dma on the > same data portion. > > This patch fixes this issue by holding the port lock. > > Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxx> I think this should also go to stable tree. It applies on top of >=v3.9. Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Thanks! -- heikki -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html