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Date: Sun, 28 Nov 2021 20:23:55 +0200
From: Andriy Tryshnivskyy <andriy.tryshnivskyy@...nsynergy.com>
To: Jonathan Cameron <jic23@...nel.org>,
Andy Shevchenko <andy.shevchenko@...il.com>
Cc: jbhayana@...gle.com, Lars-Peter Clausen <lars@...afoo.de>,
linux-iio <linux-iio@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Vasyl.Vavrychuk@...nsynergy.com
Subject: Re: [PATCH v1 1/2] iio: test: Add check against NULL for buffer in
tests.
Thank you very much!
Best regards,
Andriy
On 27.11.21 20:53, Jonathan Cameron wrote:
> CAUTION: This email originated from outside of the organization.
> Do not click links or open attachments unless you recognize the sender and know the content is safe.
>
>
> On Sat, 13 Nov 2021 16:52:14 +0000
> Jonathan Cameron <jic23@...nel.org> wrote:
>
>> On Fri, 5 Nov 2021 12:16:40 +0200
>> Andy Shevchenko <andy.shevchenko@...il.com> wrote:
>>
>>> On Fri, Nov 5, 2021 at 12:05 PM Andriy Tryshnivskyy
>>> <andriy.tryshnivskyy@...nsynergy.com> wrote:
>>>> Add KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf) for every test.
>>>> Also use ARRAY_SIZE(values) where it is possible.
>>> Strictly speaking 'also' and similar in the commit message means you
>>> have to split. Here are two patches in one. But these are test cases
>>> and I don't care so much about the rules. Up to maintainers.
>> Ideally I'd agree, but sometimes it's just not worth wasting anyones time
>> if both parts are mechanical as here.
>>
>> Given this is Lars' code I'll leave a bit longer for him to give any tags
>> he wishes before picking it up.
>>
>> Give me a poke if I seem to have lost it in a few weeks. In theory I
>> shouldn't given I'm using patchwork as a backup tracker these days, but
>> meh - I've lost series before!
> Enough time I think. Applied to the togreg branch of iio.git and pushed out
> as testing for 0-day to have a quick sanity check. I'll push it out so
> linux-next picks it up later in the week.
>
> Thanks,
>
> Jonathan
>
>> Thanks,
>>
>> Jonathan
>>
>>>> Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@...nsynergy.com>
>>>> ---
>>>> drivers/iio/test/iio-test-format.c | 69 ++++++++++++++++++------------
>>>> 1 file changed, 42 insertions(+), 27 deletions(-)
>>>>
>>>> diff --git a/drivers/iio/test/iio-test-format.c b/drivers/iio/test/iio-test-format.c
>>>> index f1e951eddb43..b746d00bc0ea 100644
>>>> --- a/drivers/iio/test/iio-test-format.c
>>>> +++ b/drivers/iio/test/iio-test-format.c
>>>> @@ -14,10 +14,13 @@
>>>>
>>>> static void iio_test_iio_format_value_integer(struct kunit *test)
>>>> {
>>>> - char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> + char *buf;
>>>> int val;
>>>> int ret;
>>>>
>>>> + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
>>>> +
>>>> val = 42;
>>>> ret = iio_format_value(buf, IIO_VAL_INT, 1, &val);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "42\n");
>>>> @@ -41,142 +44,154 @@ static void iio_test_iio_format_value_integer(struct kunit *test)
>>>>
>>>> static void iio_test_iio_format_value_fixedpoint(struct kunit *test)
>>>> {
>>>> - char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> int values[2];
>>>> + char *buf;
>>>> int ret;
>>>>
>>>> + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
>>>> +
>>>> /* positive >= 1 */
>>>> values[0] = 1;
>>>> values[1] = 10;
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010 dB\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000000010\n");
>>>>
>>>> /* positive < 1 */
>>>> values[0] = 0;
>>>> values[1] = 12;
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012 dB\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000012\n");
>>>>
>>>> /* negative <= -1 */
>>>> values[0] = -1;
>>>> values[1] = 10;
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010 dB\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000000010\n");
>>>>
>>>> /* negative > -1 */
>>>> values[0] = 0;
>>>> values[1] = -123;
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123 dB\n");
>>>>
>>>> - ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000000123\n");
>>>> }
>>>>
>>>> static void iio_test_iio_format_value_fractional(struct kunit *test)
>>>> {
>>>> - char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> int values[2];
>>>> + char *buf;
>>>> int ret;
>>>>
>>>> + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
>>>> +
>>>> /* positive < 1 */
>>>> values[0] = 1;
>>>> values[1] = 10;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.100000000\n");
>>>>
>>>> /* positive >= 1 */
>>>> values[0] = 100;
>>>> values[1] = 3;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "33.333333333\n");
>>>>
>>>> /* negative > -1 */
>>>> values[0] = -1;
>>>> values[1] = 1000000000;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000000001\n");
>>>>
>>>> /* negative <= -1 */
>>>> values[0] = -200;
>>>> values[1] = 3;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-66.666666666\n");
>>>>
>>>> /* Zero */
>>>> values[0] = 0;
>>>> values[1] = -10;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000000\n");
>>>> }
>>>>
>>>> static void iio_test_iio_format_value_fractional_log2(struct kunit *test)
>>>> {
>>>> - char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> int values[2];
>>>> + char *buf;
>>>> int ret;
>>>>
>>>> + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
>>>> +
>>>> /* positive < 1 */
>>>> values[0] = 123;
>>>> values[1] = 10;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.120117187\n");
>>>>
>>>> /* positive >= 1 */
>>>> values[0] = 1234567;
>>>> values[1] = 10;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1205.631835937\n");
>>>>
>>>> /* negative > -1 */
>>>> values[0] = -123;
>>>> values[1] = 10;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.120117187\n");
>>>>
>>>> /* negative <= -1 */
>>>> values[0] = -1234567;
>>>> values[1] = 10;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1205.631835937\n");
>>>>
>>>> /* Zero */
>>>> values[0] = 0;
>>>> values[1] = 10;
>>>> - ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, 2, values);
>>>> + ret = iio_format_value(buf, IIO_VAL_FRACTIONAL_LOG2, ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000000\n");
>>>> }
>>>>
>>>> static void iio_test_iio_format_value_multiple(struct kunit *test)
>>>> {
>>>> - char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> int values[] = {1, -2, 3, -4, 5};
>>>> + char *buf;
>>>> int ret;
>>>>
>>>> + buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
>>>> + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
>>>> +
>>>> ret = iio_format_value(buf, IIO_VAL_INT_MULTIPLE,
>>>> ARRAY_SIZE(values), values);
>>>> IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1 -2 3 -4 5 \n");
>>>> --
>>>> 2.17.1
>>>>
>>>
>
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