commit 1c8414dadb8c5668ee4d20d7dfbb478db52d1ab0
author Andy Shevchenko <andriy.shevchenko@linux.intel.com> Wed Apr 22 15:58:08 2020 +0300
committer Herbert Xu <herbert@gondor.apana.org.au> Thu Apr 30 15:19:33 2020 +1000
tree 0e2066dbec4a564dc21f1536085d4cfce32a2d00
parent 18f1ca46858eac22437819937ae44aa9a8f9f2fa

hwrng: optee - Use UUID API for exporting the UUID

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>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/char/hw_random/optee-rng.c

diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
index ddfbaba..49b2e02 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;