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* [PATCH] tee: optee: fix uuid comparisons on service discovery
@ 2023-01-19  9:21 Ilias Apalodimas
  2023-01-19 15:09 ` Jens Wiklander
  2023-01-20  7:51 ` Etienne Carriere
  0 siblings, 2 replies; 3+ messages in thread
From: Ilias Apalodimas @ 2023-01-19  9:21 UTC (permalink / raw)
  To: u-boot
  Cc: Ilias Apalodimas, Jens Wiklander, Etienne Carriere,
	Patrick Delaunay, Patrice Chotard

When comparing UUIDs for discovered services we only compare up to the
ptr size instead of the entire UUID

Fixes: 94ccfb78a4d61 ("drivers: tee: optee: discover OP-TEE services")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---
 drivers/tee/optee/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index 88e23d252bcd..9a9b697e91f5 100644
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -73,7 +73,7 @@ static struct optee_service *find_service_driver(const struct tee_optee_ta_uuid

 	for (idx = 0; idx < service_cnt; idx++, service++) {
 		tee_optee_ta_uuid_to_octets(loc_uuid, &service->uuid);
-		if (!memcmp(uuid, loc_uuid, sizeof(uuid)))
+		if (!memcmp(uuid, loc_uuid, sizeof(*uuid)))
 			return service;
 	}

--
2.38.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] tee: optee: fix uuid comparisons on service discovery
  2023-01-19  9:21 [PATCH] tee: optee: fix uuid comparisons on service discovery Ilias Apalodimas
@ 2023-01-19 15:09 ` Jens Wiklander
  2023-01-20  7:51 ` Etienne Carriere
  1 sibling, 0 replies; 3+ messages in thread
From: Jens Wiklander @ 2023-01-19 15:09 UTC (permalink / raw)
  To: Ilias Apalodimas
  Cc: u-boot, Etienne Carriere, Patrick Delaunay, Patrice Chotard

On Thu, Jan 19, 2023 at 10:21 AM Ilias Apalodimas
<ilias.apalodimas@linaro.org> wrote:
>
> When comparing UUIDs for discovered services we only compare up to the
> ptr size instead of the entire UUID
>
> Fixes: 94ccfb78a4d61 ("drivers: tee: optee: discover OP-TEE services")
> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
> ---
>  drivers/tee/optee/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

Cheers,
Jens

>
> diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
> index 88e23d252bcd..9a9b697e91f5 100644
> --- a/drivers/tee/optee/core.c
> +++ b/drivers/tee/optee/core.c
> @@ -73,7 +73,7 @@ static struct optee_service *find_service_driver(const struct tee_optee_ta_uuid
>
>         for (idx = 0; idx < service_cnt; idx++, service++) {
>                 tee_optee_ta_uuid_to_octets(loc_uuid, &service->uuid);
> -               if (!memcmp(uuid, loc_uuid, sizeof(uuid)))
> +               if (!memcmp(uuid, loc_uuid, sizeof(*uuid)))
>                         return service;
>         }
>
> --
> 2.38.1
>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] tee: optee: fix uuid comparisons on service discovery
  2023-01-19  9:21 [PATCH] tee: optee: fix uuid comparisons on service discovery Ilias Apalodimas
  2023-01-19 15:09 ` Jens Wiklander
@ 2023-01-20  7:51 ` Etienne Carriere
  1 sibling, 0 replies; 3+ messages in thread
From: Etienne Carriere @ 2023-01-20  7:51 UTC (permalink / raw)
  To: Ilias Apalodimas
  Cc: u-boot, Jens Wiklander, Patrick Delaunay, Patrice Chotard

On Thu, 19 Jan 2023 at 10:21, Ilias Apalodimas
<ilias.apalodimas@linaro.org> wrote:
>
> When comparing UUIDs for discovered services we only compare up to the
> ptr size instead of the entire UUID
>
> Fixes: 94ccfb78a4d61 ("drivers: tee: optee: discover OP-TEE services")
> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
> ---
>  drivers/tee/optee/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
> index 88e23d252bcd..9a9b697e91f5 100644
> --- a/drivers/tee/optee/core.c
> +++ b/drivers/tee/optee/core.c
> @@ -73,7 +73,7 @@ static struct optee_service *find_service_driver(const struct tee_optee_ta_uuid
>
>         for (idx = 0; idx < service_cnt; idx++, service++) {
>                 tee_optee_ta_uuid_to_octets(loc_uuid, &service->uuid);
> -               if (!memcmp(uuid, loc_uuid, sizeof(uuid)))
> +               if (!memcmp(uuid, loc_uuid, sizeof(*uuid)))
>                         return service;
>         }
>
> --
> 2.38.1
>

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-01-20  7:52 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-01-19  9:21 [PATCH] tee: optee: fix uuid comparisons on service discovery Ilias Apalodimas
2023-01-19 15:09 ` Jens Wiklander
2023-01-20  7:51 ` Etienne Carriere

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