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test: tee: fix resource leak in dm_test_tee() 

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>
This commit is contained in:
Jens Wiklander 2018-10-29 11:41:35 +01:00 committed by Tom Rini
parent be6eb23931
commit c091dc7dad
1 changed files with 26 additions and 9 deletions
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35
test/dm/tee.c
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@ -49,7 +49,12 @@ static int match(struct tee_version_data *vers, const void *data)
return vers->gen_caps & TEE_GEN_CAP_GP;
}
static int dm_test_tee(struct unit_test_state *uts)
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;
@ -57,8 +62,6 @@ static int dm_test_tee(struct unit_test_state *uts)
u32 session = 0;
int rc;
u8 data[128];
struct tee_shm *reg_shm;
struct tee_shm *alloc_shm;
dev = tee_find_device(NULL, match, NULL, &vers);
ut_assert(dev);
@ -77,22 +80,36 @@ static int dm_test_tee(struct unit_test_state *uts)
ut_assert(!state->session);
ut_assert(!state->num_shms);
rc = tee_shm_register(dev, data, sizeof(data), 0, &reg_shm);
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, &alloc_shm);
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(reg_shm, dev));
ut_assert(tee_shm_is_registered(alloc_shm, dev));
ut_assert(tee_shm_is_registered(vars->reg_shm, dev));
ut_assert(tee_shm_is_registered(vars->alloc_shm, dev));
tee_shm_free(reg_shm);
tee_shm_free(alloc_shm);
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);