[PATCH v11 03/11] tee: allow a driver to allocate a tee_device without a pool
From: Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>
Date: 2025-09-11 03:41:30
Also in:
dri-devel, linux-arm-msm, linux-hardening, lkml, op-tee
Subsystem:
tee subsystem, the rest · Maintainers:
Jens Wiklander, Linus Torvalds
A TEE driver doesn't always need to provide a pool if it doesn't support memory sharing ioctls and can allocate memory for TEE messages in another way. Although this is mentioned in the documentation for tee_device_alloc(), it is not handled correctly. Reviewed-by: Sumit Garg <redacted> Signed-off-by: Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com> --- drivers/tee/tee_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
index 807317d7b3c5..9fa042d80622 100644
--- a/drivers/tee/tee_core.c
+++ b/drivers/tee/tee_core.c@@ -926,7 +926,7 @@ struct tee_device *tee_device_alloc(const struct tee_desc *teedesc, if (!teedesc || !teedesc->name || !teedesc->ops || !teedesc->ops->get_version || !teedesc->ops->open || - !teedesc->ops->release || !pool) + !teedesc->ops->release) return ERR_PTR(-EINVAL); teedev = kzalloc(sizeof(*teedev), GFP_KERNEL);
--
2.34.1