Re: [PATCH v2 1/2] tests/qtest: migration-test: Fix [-Werror=format-overflow=] build warning

[Laurent Vivier]

Le 17/10/2022 à 15:20, Bin Meng a écrit :
> From: Bin Meng <bin.meng@windriver.com>
>
> When tmpfs is NULL, a build warning is seen with GCC 9.3.0.
> It's strange that GCC 11.2.0 on Ubuntu 22.04 does not catch this,
> neither did the QEMU CI.
>
> While we are here, improve the error message as well.
>
> Reported-by: Shengjiang Wu <shengjiang.wu@windriver.com>
> Fixes: e5553c1b8d28 ("tests/qtest: migration-test: Avoid using hardcoded /tmp")
> Signed-off-by: Bin Meng <bin.meng@windriver.com>
> Reviewed-by: Markus Armbruster <armbru@redhat.com>
> ---
>
> Changes in v2:
> - improve the error message
>
>   tests/qtest/migration-test.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
> index ef4427ff4d..aa1ba179fa 100644
> --- a/tests/qtest/migration-test.c
> +++ b/tests/qtest/migration-test.c
> @@ -2481,8 +2481,8 @@ int main(int argc, char **argv)
>   
>       tmpfs = g_dir_make_tmp("migration-test-XXXXXX", &err);
>       if (!tmpfs) {
> -        g_test_message("g_dir_make_tmp on path (%s): %s", tmpfs,
> -                       err->message);
> +        g_test_message("Can't create temporary directory in %s: %s",
> +                       g_get_tmp_dir(), err->message);
>       }
>       g_assert(tmpfs);
>   
Applied to my trivial-patches branch.

Thanks,
Laurent