On Fri, Nov 5, 2021 at 12:05 PM Andriy Tryshnivskyy <andriy.tryshnivskyy@xxxxxxxxxxxxxxx> 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. > > Signed-off-by: Andriy Tryshnivskyy <andriy.tryshnivskyy@xxxxxxxxxxxxxxx> > --- > 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 > -- With Best Regards, Andy Shevchenko