tee: optee: do not check memref size on return from Secure World
authorJerome Forissier <jerome@forissier.org>
Thu, 13 Jan 2022 15:27:13 +0000 (16:27 +0100)
committerJens Wiklander <jens.wiklander@linaro.org>
Mon, 24 Jan 2022 11:53:34 +0000 (12:53 +0100)
Commit c650b8dc7a79 ("tee: optee: do not check memref size on return
from Secure World") was mistakenly lost in commit 4602c5842f64 ("optee:
refactor driver with internal callbacks"). Remove the unwanted code
again.

Fixes: 4602c5842f64 ("optee: refactor driver with internal callbacks")
Signed-off-by: Jerome Forissier <jerome@forissier.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
drivers/tee/optee/smc_abi.c

index 449d6a7..dc40ae8 100644 (file)
@@ -75,16 +75,6 @@ static int from_msg_param_tmp_mem(struct tee_param *p, u32 attr,
        p->u.memref.shm_offs = mp->u.tmem.buf_ptr - pa;
        p->u.memref.shm = shm;
 
-       /* Check that the memref is covered by the shm object */
-       if (p->u.memref.size) {
-               size_t o = p->u.memref.shm_offs +
-                          p->u.memref.size - 1;
-
-               rc = tee_shm_get_pa(shm, o, NULL);
-               if (rc)
-                       return rc;
-       }
-
        return 0;
 }