mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 00:47:26 +00:00
c091dc7dad
Fixes possible resource leak in dm_test_tee() reported by Coverity. Reported-by: Coverity (CID: 184175) Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2018 Linaro Limited
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <dm/test.h>
|
|
#include <sandboxtee.h>
|
|
#include <tee.h>
|
|
#include <test/ut.h>
|
|
#include <tee/optee_ta_avb.h>
|
|
|
|
static int open_session(struct udevice *dev, u32 *session)
|
|
{
|
|
struct tee_open_session_arg arg;
|
|
const struct tee_optee_ta_uuid uuid = TA_AVB_UUID;
|
|
int rc;
|
|
|
|
memset(&arg, 0, sizeof(arg));
|
|
tee_optee_ta_uuid_to_octets(arg.uuid, &uuid);
|
|
rc = tee_open_session(dev, &arg, 0, NULL);
|
|
if (rc)
|
|
return rc;
|
|
if (arg.ret)
|
|
return -EIO;
|
|
*session = arg.session;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int invoke_func(struct udevice *dev, u32 session)
|
|
{
|
|
struct tee_param param = { .attr = TEE_PARAM_ATTR_TYPE_VALUE_OUTPUT };
|
|
struct tee_invoke_arg arg;
|
|
|
|
memset(&arg, 0, sizeof(arg));
|
|
arg.session = session;
|
|
arg.func = TA_AVB_CMD_READ_LOCK_STATE;
|
|
|
|
if (tee_invoke_func(dev, &arg, 1, ¶m) || arg.ret)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int match(struct tee_version_data *vers, const void *data)
|
|
{
|
|
return vers->gen_caps & TEE_GEN_CAP_GP;
|
|
}
|
|
|
|
struct test_tee_vars {
|
|
struct tee_shm *reg_shm;
|
|
struct tee_shm *alloc_shm;
|
|
};
|
|
|
|
static int test_tee(struct unit_test_state *uts, struct test_tee_vars *vars)
|
|
{
|
|
struct tee_version_data vers;
|
|
struct udevice *dev;
|
|
struct sandbox_tee_state *state;
|
|
u32 session = 0;
|
|
int rc;
|
|
u8 data[128];
|
|
|
|
dev = tee_find_device(NULL, match, NULL, &vers);
|
|
ut_assert(dev);
|
|
state = dev_get_priv(dev);
|
|
ut_assert(!state->session);
|
|
|
|
rc = open_session(dev, &session);
|
|
ut_assert(!rc);
|
|
ut_assert(session == state->session);
|
|
|
|
rc = invoke_func(dev, session);
|
|
ut_assert(!rc);
|
|
|
|
rc = tee_close_session(dev, session);
|
|
ut_assert(!rc);
|
|
ut_assert(!state->session);
|
|
|
|
ut_assert(!state->num_shms);
|
|
rc = tee_shm_register(dev, data, sizeof(data), 0, &vars->reg_shm);
|
|
ut_assert(!rc);
|
|
ut_assert(state->num_shms == 1);
|
|
|
|
rc = tee_shm_alloc(dev, 256, 0, &vars->alloc_shm);
|
|
ut_assert(!rc);
|
|
ut_assert(state->num_shms == 2);
|
|
|
|
ut_assert(tee_shm_is_registered(vars->reg_shm, dev));
|
|
ut_assert(tee_shm_is_registered(vars->alloc_shm, dev));
|
|
|
|
tee_shm_free(vars->reg_shm);
|
|
vars->reg_shm = NULL;
|
|
tee_shm_free(vars->alloc_shm);
|
|
vars->alloc_shm = NULL;
|
|
ut_assert(!state->num_shms);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dm_test_tee(struct unit_test_state *uts)
|
|
{
|
|
struct test_tee_vars vars = { NULL, NULL };
|
|
int rc = test_tee(uts, &vars);
|
|
|
|
/* In case test_tee() asserts these may still remain allocated */
|
|
tee_shm_free(vars.reg_shm);
|
|
tee_shm_free(vars.alloc_shm);
|
|
|
|
return rc;
|
|
}
|
|
|
|
DM_TEST(dm_test_tee, DM_TESTF_SCAN_FDT);
|