MTHCA_GET_DOORBELL_LOCK 52 drivers/infiniband/hw/mthca/mthca_doorbell.h #define MTHCA_GET_DOORBELL_LOCK(ptr) (NULL) MTHCA_GET_DOORBELL_LOCK 80 drivers/infiniband/hw/mthca/mthca_doorbell.h #define MTHCA_GET_DOORBELL_LOCK(ptr) (ptr)