optee_shm_unregister_supp 328 drivers/tee/optee/core.c .shm_unregister = optee_shm_unregister_supp, optee_shm_unregister_supp 164 drivers/tee/optee/optee_private.h int optee_shm_unregister_supp(struct tee_context *ctx, struct tee_shm *shm);