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authorArnd Bergmann <arnd@arndb.de>2021-04-01 21:01:18 +0200
committerArnd Bergmann <arnd@arndb.de>2021-04-01 21:01:18 +0200
commitd6358a687891dacbe7d88541a83f61bdccb4f7b8 (patch)
treee56635df9c48ece8bc8096f374ffa8ec9572c0c3 /drivers/tee
parentMerge tag 'omap-for-v5.13/ti-sysc-signed' of git://git.kernel.org/pub/scm/lin... (diff)
parenttee: optee: do not check memref size on return from Secure World (diff)
downloadlinux-d6358a687891dacbe7d88541a83f61bdccb4f7b8.tar.xz
linux-d6358a687891dacbe7d88541a83f61bdccb4f7b8.zip
Merge tag 'optee-memref-size-for-v5.13' of git://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers
OP-TEE skip check of returned memref size * tag 'optee-memref-size-for-v5.13' of git://git.linaro.org/people/jens.wiklander/linux-tee: tee: optee: do not check memref size on return from Secure World Link: https://lore.kernel.org/r/20210330110037.GA1166563@jade Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/tee')
-rw-r--r--drivers/tee/optee/core.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index cf4718c6d35d..63542c1cc291 100644
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -79,16 +79,6 @@ int optee_from_msg_param(struct tee_param *params, size_t num_params,
return rc;
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;
- }
break;
case OPTEE_MSG_ATTR_TYPE_RMEM_INPUT:
case OPTEE_MSG_ATTR_TYPE_RMEM_OUTPUT: