Re: [PATCH] selftests: ipc: handle msgget failure return correctly

From: Colin Ian King
Date: Wed Mar 05 2014 - 13:59:00 EST


On 05/03/14 18:50, Guillaume Morin wrote:
> On 05 Mar 17:51, Colin King wrote:
>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>
>> A failed msgget causes the test to return an uninitialised value
>> in ret. Assign ret to -errno on error exit.
>>
>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>> ---
>> tools/testing/selftests/ipc/msgque.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c
>> index d664182..be8f294 100644
>> --- a/tools/testing/selftests/ipc/msgque.c
>> +++ b/tools/testing/selftests/ipc/msgque.c
>> @@ -202,6 +202,7 @@ int main(int argc, char **argv)
>> msgque.msq_id = msgget(msgque.key, IPC_CREAT | IPC_EXCL | 0666);
>> if (msgque.msq_id == -1) {
>> printf("Can't create queue\n");
>> + err = -errno;
>> goto err_out;
>> }
>>
>> --
>
> Maybe I am nitpicking here but printf() could modify errno, so you might
> as well save it before printf() is called.
>
Yep, new patch been sent.
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