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Re: [Qemu-devel] [PATCH 4/5] tests/test-arm-mptimer: Don't leak string m
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [Qemu-devel] [PATCH 4/5] tests/test-arm-mptimer: Don't leak string memory |
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Date: |
Tue, 4 Dec 2018 18:08:33 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 |
On 4/12/18 14:29, Peter Maydell wrote:
> The test-arm-mptimer setup creates a lot of test names using
> g_strdup_printf() and never frees them. This is entirely
> harmless since it's one-shot test code, but it clutters
> up the output from clang's LeakSanitizer. Refactor to
> use a helper function so we can free the memory.
>
> Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> tests/test-arm-mptimer.c | 153 ++++++++++++++++++---------------------
> 1 file changed, 69 insertions(+), 84 deletions(-)
>
> diff --git a/tests/test-arm-mptimer.c b/tests/test-arm-mptimer.c
> index cb8f2df9141..156a39f50dd 100644
> --- a/tests/test-arm-mptimer.c
> +++ b/tests/test-arm-mptimer.c
> @@ -991,10 +991,25 @@ static void
> test_timer_zero_load_nonscaled_periodic_to_prescaled_oneshot(void)
> g_assert_cmpuint(timer_get_and_clr_int_sts(), ==, 0);
> }
>
> +/*
> + * Add a qtest test that comes in two versions: one with
> + * a timer scaler setting, and one with the timer nonscaled.
> + */
> +static void add_scaler_test(const char *str, bool scale,
> + void (*fn)(const void *))
> +{
> + char *name;
> + int *scaler = scale ? &scaled : &nonscaled;
> +
> + name = g_strdup_printf("%s=%d", str, *scaler);
> + qtest_add_data_func(name, scaler, fn);
> + g_free(name);
> +}
> +
> int main(int argc, char **argv)
> {
> - int *scaler = &nonscaled;
> int ret;
> + int scale;
>
> g_test_init(&argc, &argv, NULL);
>
> @@ -1012,89 +1027,59 @@ int main(int argc, char **argv)
> qtest_add_func("mptimer/prescaler", test_timer_prescaler);
> qtest_add_func("mptimer/prescaler_on_the_fly",
> test_timer_prescaler_on_the_fly);
>
> -tests_with_prescaler_arg:
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/oneshot scaler=%d", *scaler),
> - scaler, test_timer_oneshot);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/pause scaler=%d", *scaler),
> - scaler, test_timer_pause);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/reload scaler=%d", *scaler),
> - scaler, test_timer_reload);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/periodic scaler=%d", *scaler),
> - scaler, test_timer_periodic);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/oneshot_to_periodic scaler=%d", *scaler),
> - scaler, test_timer_oneshot_to_periodic);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/periodic_to_oneshot scaler=%d", *scaler),
> - scaler, test_timer_periodic_to_oneshot);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/set_oneshot_counter_to_0 scaler=%d",
> *scaler),
> - scaler, test_timer_set_oneshot_counter_to_0);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/set_periodic_counter_to_0 scaler=%d",
> *scaler),
> - scaler, test_timer_set_periodic_counter_to_0);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/noload_oneshot scaler=%d", *scaler),
> - scaler, test_timer_noload_oneshot);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/noload_periodic scaler=%d", *scaler),
> - scaler, test_timer_noload_periodic);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/zero_load_oneshot scaler=%d", *scaler),
> - scaler, test_timer_zero_load_oneshot);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/zero_load_periodic scaler=%d", *scaler),
> - scaler, test_timer_zero_load_periodic);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/zero_load_oneshot_to_nonzero scaler=%d",
> *scaler),
> - scaler, test_timer_zero_load_oneshot_to_nonzero);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/zero_load_periodic_to_nonzero scaler=%d",
> *scaler),
> - scaler, test_timer_zero_load_periodic_to_nonzero);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/nonzero_load_oneshot_to_zero scaler=%d",
> *scaler),
> - scaler, test_timer_nonzero_load_oneshot_to_zero);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/nonzero_load_periodic_to_zero scaler=%d",
> *scaler),
> - scaler, test_timer_nonzero_load_periodic_to_zero);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/set_periodic_counter_on_the_fly scaler=%d",
> *scaler),
> - scaler, test_timer_set_periodic_counter_on_the_fly);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/enable_and_set_counter scaler=%d", *scaler),
> - scaler, test_timer_enable_and_set_counter);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/set_counter_and_enable scaler=%d", *scaler),
> - scaler, test_timer_set_counter_and_enable);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/oneshot_with_counter_0_on_start scaler=%d",
> *scaler),
> - scaler, test_timer_oneshot_with_counter_0_on_start);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/periodic_with_counter_0_on_start
> scaler=%d", *scaler),
> - scaler, test_timer_periodic_with_counter_0_on_start);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/periodic_counter scaler=%d", *scaler),
> - scaler, test_periodic_counter);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/set_counter_periodic_with_zero_load
> scaler=%d", *scaler),
> - scaler,
> test_timer_set_counter_periodic_with_zero_load);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/set_oneshot_load_to_0 scaler=%d", *scaler),
> - scaler, test_timer_set_oneshot_load_to_0);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/set_periodic_load_to_0 scaler=%d", *scaler),
> - scaler, test_timer_set_periodic_load_to_0);
> - qtest_add_data_func(
> - g_strdup_printf("mptimer/zero_load_mode_switch scaler=%d", *scaler),
> - scaler, test_timer_zero_load_mode_switch);
> -
> - if (scaler == &nonscaled) {
> - scaler = &scaled;
> - goto tests_with_prescaler_arg;
> + for (scale = 0; scale < 2; scale++) {
> + add_scaler_test("mptimer/oneshot scaler",
> + scale, test_timer_oneshot);
> + add_scaler_test("mptimer/pause scaler",
> + scale, test_timer_pause);
> + add_scaler_test("mptimer/reload scaler",
> + scale, test_timer_reload);
> + add_scaler_test("mptimer/periodic scaler",
> + scale, test_timer_periodic);
> + add_scaler_test("mptimer/oneshot_to_periodic scaler",
> + scale, test_timer_oneshot_to_periodic);
> + add_scaler_test("mptimer/periodic_to_oneshot scaler",
> + scale, test_timer_periodic_to_oneshot);
> + add_scaler_test("mptimer/set_oneshot_counter_to_0 scaler",
> + scale, test_timer_set_oneshot_counter_to_0);
> + add_scaler_test("mptimer/set_periodic_counter_to_0 scaler",
> + scale, test_timer_set_periodic_counter_to_0);
> + add_scaler_test("mptimer/noload_oneshot scaler",
> + scale, test_timer_noload_oneshot);
> + add_scaler_test("mptimer/noload_periodic scaler",
> + scale, test_timer_noload_periodic);
> + add_scaler_test("mptimer/zero_load_oneshot scaler",
> + scale, test_timer_zero_load_oneshot);
> + add_scaler_test("mptimer/zero_load_periodic scaler",
> + scale, test_timer_zero_load_periodic);
> + add_scaler_test("mptimer/zero_load_oneshot_to_nonzero scaler",
> + scale, test_timer_zero_load_oneshot_to_nonzero);
> + add_scaler_test("mptimer/zero_load_periodic_to_nonzero scaler",
> + scale, test_timer_zero_load_periodic_to_nonzero);
> + add_scaler_test("mptimer/nonzero_load_oneshot_to_zero scaler",
> + scale, test_timer_nonzero_load_oneshot_to_zero);
> + add_scaler_test("mptimer/nonzero_load_periodic_to_zero scaler",
> + scale, test_timer_nonzero_load_periodic_to_zero);
> + add_scaler_test("mptimer/set_periodic_counter_on_the_fly scaler",
> + scale, test_timer_set_periodic_counter_on_the_fly);
> + add_scaler_test("mptimer/enable_and_set_counter scaler",
> + scale, test_timer_enable_and_set_counter);
> + add_scaler_test("mptimer/set_counter_and_enable scaler",
> + scale, test_timer_set_counter_and_enable);
> + add_scaler_test("mptimer/oneshot_with_counter_0_on_start scaler",
> + scale, test_timer_oneshot_with_counter_0_on_start);
> + add_scaler_test("mptimer/periodic_with_counter_0_on_start scaler",
> + scale, test_timer_periodic_with_counter_0_on_start);
> + add_scaler_test("mptimer/periodic_counter scaler",
> + scale, test_periodic_counter);
> + add_scaler_test("mptimer/set_counter_periodic_with_zero_load scaler",
> + scale,
> test_timer_set_counter_periodic_with_zero_load);
> + add_scaler_test("mptimer/set_oneshot_load_to_0 scaler",
> + scale, test_timer_set_oneshot_load_to_0);
> + add_scaler_test("mptimer/set_periodic_load_to_0 scaler",
> + scale, test_timer_set_periodic_load_to_0);
> + add_scaler_test("mptimer/zero_load_mode_switch scaler",
> + scale, test_timer_zero_load_mode_switch);
> }
>
> qtest_start("-machine vexpress-a9");
>
- [Qemu-devel] [PATCH 0/5] arm: five simple memory leak fixes, Peter Maydell, 2018/12/04
- [Qemu-devel] [PATCH 4/5] tests/test-arm-mptimer: Don't leak string memory, Peter Maydell, 2018/12/04
- [Qemu-devel] [PATCH 5/5] target/arm: Create timers in realize, not init, Peter Maydell, 2018/12/04
- [Qemu-devel] [PATCH 2/5] hw/arm/mps2-tz.c: Free mscname string in make_dma(), Peter Maydell, 2018/12/04
- [Qemu-devel] [PATCH 3/5] hw/sd/sdhci: Don't leak memory region in sdhci_sysbus_realize(), Peter Maydell, 2018/12/04
- [Qemu-devel] [PATCH 1/5] target/arm: Free name string in ARMCPRegInfo hashtable entries, Peter Maydell, 2018/12/04