diff mbox series

[v1] hwrng: Use UUID API for exporting the UUID

Message ID 20200422125808.38278-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show
Series [v1] hwrng: Use UUID API for exporting the UUID | expand

Commit Message

Andy Shevchenko April 22, 2020, 12:58 p.m. UTC
There is export_uuid() function which exports uuid_t to the u8 array.
Use it instead of open coding variant.

This allows to hide the uuid_t internals.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/char/hw_random/optee-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Sumit Garg April 23, 2020, 5:20 a.m. UTC | #1
On Wed, 22 Apr 2020 at 18:28, Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> There is export_uuid() function which exports uuid_t to the u8 array.
> Use it instead of open coding variant.
>
> This allows to hide the uuid_t internals.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/char/hw_random/optee-rng.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Reviewed-by: Sumit Garg <sumit.garg@linaro.org>

> diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
> index ddfbabaa5f8f6..49b2e02537ddb 100644
> --- a/drivers/char/hw_random/optee-rng.c
> +++ b/drivers/char/hw_random/optee-rng.c
> @@ -226,7 +226,7 @@ static int optee_rng_probe(struct device *dev)
>                 return -ENODEV;
>
>         /* Open session with hwrng Trusted App */
> -       memcpy(sess_arg.uuid, rng_device->id.uuid.b, TEE_IOCTL_UUID_LEN);
> +       export_uuid(sess_arg.uuid, &rng_device->id.uuid);
>         sess_arg.clnt_login = TEE_IOCTL_LOGIN_PUBLIC;
>         sess_arg.num_params = 0;
>
> --
> 2.26.1
>
Herbert Xu April 30, 2020, 5:30 a.m. UTC | #2
On Wed, Apr 22, 2020 at 03:58:08PM +0300, Andy Shevchenko wrote:
> There is export_uuid() function which exports uuid_t to the u8 array.
> Use it instead of open coding variant.
> 
> This allows to hide the uuid_t internals.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/char/hw_random/optee-rng.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
diff mbox series

Patch

diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
index ddfbabaa5f8f6..49b2e02537ddb 100644
--- a/drivers/char/hw_random/optee-rng.c
+++ b/drivers/char/hw_random/optee-rng.c
@@ -226,7 +226,7 @@  static int optee_rng_probe(struct device *dev)
 		return -ENODEV;
 
 	/* Open session with hwrng Trusted App */
-	memcpy(sess_arg.uuid, rng_device->id.uuid.b, TEE_IOCTL_UUID_LEN);
+	export_uuid(sess_arg.uuid, &rng_device->id.uuid);
 	sess_arg.clnt_login = TEE_IOCTL_LOGIN_PUBLIC;
 	sess_arg.num_params = 0;