From: Sumit Garg <[email protected]>

[ Upstream commit 722939528a37aa0cb22d441e2045c0cf53e78fb0 ]

Since the addition of session's client UUID generation via commit [1],
login via REE kernel method was disallowed. So fix that via passing
nill UUID in case of TEE_IOCTL_LOGIN_REE_KERNEL method as well.

Fixes: e33bcbab16d1 ("tee: add support for session's client UUID generation") 
[1]
Signed-off-by: Sumit Garg <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/tee/tee_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
index 64637e09a0953..2f6199ebf7698 100644
--- a/drivers/tee/tee_core.c
+++ b/drivers/tee/tee_core.c
@@ -200,7 +200,8 @@ int tee_session_calc_client_uuid(uuid_t *uuid, u32 
connection_method,
        int name_len;
        int rc;
 
-       if (connection_method == TEE_IOCTL_LOGIN_PUBLIC) {
+       if (connection_method == TEE_IOCTL_LOGIN_PUBLIC ||
+           connection_method == TEE_IOCTL_LOGIN_REE_KERNEL) {
                /* Nil UUID to be passed to TEE environment */
                uuid_copy(uuid, &uuid_null);
                return 0;
-- 
2.27.0



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