diff options
Diffstat (limited to 'drivers/tee/tee_core.c')
-rw-r--r-- | drivers/tee/tee_core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 9fa837224fed..64637e09a095 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -485,6 +485,13 @@ static int tee_ioctl_open_session(struct tee_context *ctx, goto out; } + if (arg.clnt_login >= TEE_IOCTL_LOGIN_REE_KERNEL_MIN && + arg.clnt_login <= TEE_IOCTL_LOGIN_REE_KERNEL_MAX) { + pr_debug("login method not allowed for user-space client\n"); + rc = -EPERM; + goto out; + } + rc = ctx->teedev->desc->ops->open_session(ctx, &arg, params); if (rc) goto out; |