Hi Jan,
> Hi Jan,
>
>>
>> Testcase 1.3 - EINVAL: uninitialized iocb
>> is about submitting uninitialized iocb structure.
>>
>> Test is expecting to get -EINVAL, but other values are also
>> possible as uninitialized struct can contain any values.
>>
>> For example following data fails with -EBADF:
>> --- snip ---
>> unsigned char bad_iocb[64] = {
>> 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x84, 0xa5,
>> 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> 0x00, 0x00, 0x0f, 0xff, 0xe0, 0x10, 0x0c, 0x30,
>> 0x00, 0x00, 0x0f, 0xff, 0xe0, 0x10, 0x0c, 0x40,
>> 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>> 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
>> memcpy(&iocb, bad_iocb, sizeof(iocb));
>> iocbs[0] = &iocb;
>> TEST(io_submit(ctx, 1, iocbs));
>> check_result(-EINVAL, TEST_RETURN);
>> --- snip ---
>>
>> This patch accepts also few other errno codes as valid return value.
>>
>> Signed-off-by: Jan Stancek <[email protected]>
>> ---
>> testcases/kernel/syscalls/io_submit/io_submit01.c | 16 +++++++++++++++-
>> 1 files changed, 15 insertions(+), 1 deletions(-)
>>
>>
>>
>> 0001-io_submit-uninitialized-iocb-may-not-return-EINVAL.patch
>>
>>
>> diff --git a/testcases/kernel/syscalls/io_submit/io_submit01.c
>> b/testcases/kernel/syscalls/io_submit/io_submit01.c
>> index da15aa0..3983fa4 100644
>> --- a/testcases/kernel/syscalls/io_submit/io_submit01.c
>> +++ b/testcases/kernel/syscalls/io_submit/io_submit01.c
>> @@ -126,7 +126,21 @@ int main(int argc, char *argv[])
>> /* 1.3 - EINVAL: uninitialized iocb */
>> iocbs[0] = &iocb;
>> TEST(io_submit(ctx, 1, iocbs));
>> - check_result(-EINVAL, TEST_RETURN);
>> + switch(TEST_RETURN) {
>> + case -EINVAL:
>> + case -EBADF:
Here the coding style should like:
switch() {
case xx:
case xx:
but not:
switch() {
case xx:
case xx:
Thanks,
Wanlong Gao
>> + case -EFAULT:
>> + case -EPERM:
>
>
> I don't think io_submit(2) can return -EPERM.
>
> Do you think so?
>
> Thanks,
> Wanlong Gao
>
>> + tst_resm(TPASS, "expected failure - "
>> + "returned value = %ld : %s",
>> + TEST_RETURN, strerror(-1 *
>> TEST_RETURN));
>> + break;
>> + default:
>> + tst_resm(TFAIL, "unexpected failure - "
>> + "returned value = %ld : %s, "
>> + "expected one of -EINVAL,
>> -EBADF, -EFAULT, -EPERM",
>> + TEST_RETURN, strerror(-1 *
>> TEST_RETURN));
>> + }
>>
>> /* 2 - EFAULT: iocb points to invalid data */
>> TEST(io_submit(ctx, 1, (struct iocb **)-1));
>>
>>
>
>
>
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