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Re: [Qemu-devel] [PATCH 2/2] tests: Make acpid test compile
From: |
Daniel P. Berrange |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] tests: Make acpid test compile |
Date: |
Wed, 30 Aug 2017 12:07:43 +0100 |
User-agent: |
Mutt/1.8.3 (2017-05-23) |
On Wed, Aug 30, 2017 at 12:51:23PM +0200, Juan Quintela wrote:
> Cedric Le Goater <address@hidden> wrote:
> > On 08/23/2017 01:53 PM, Dr. David Alan Gilbert wrote:
> >> * Juan Quintela (address@hidden) wrote:
> >>> Compiler gets confused with the size of the struct, so move form
> >>> g_new0() to g_malloc0().
> >>>
> >>> I *think* that the problem is in gcc (or glib for that matter), but
> >>> the documentation of the g_new0 states that 1sts first argument is an
> >>> struct type, and uint32_t is not an struct type.
> >>>
> >>> Signed-off-by: Juan Quintela <address@hidden>
> >>> ---
> >>> tests/vmgenid-test.c | 2 +-
> >>> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>>
> >>> diff --git a/tests/vmgenid-test.c b/tests/vmgenid-test.c
> >>> index 3d5c1c3615..032e1d465a 100644
> >>> --- a/tests/vmgenid-test.c
> >>> +++ b/tests/vmgenid-test.c
> >>> @@ -67,7 +67,7 @@ static uint32_t acpi_find_vgia(void)
> >>> g_assert_cmpint(tables_nr, >, 0);
> >>>
> >>> /* get the addresses of the tables pointed by rsdt */
> >>> - tables = g_new0(uint32_t, tables_nr);
> >>> + tables = g_malloc0(sizeof(uint32_t) * tables_nr);
> >>
> >> I think there's an easier fix for this I think;
> >> try:
> >>
> >> - g_assert_cmpint(tables_nr, >, 0);
> >> + g_assert(tables_nr > 0);
>
> I liked more the following one.
>
>
> >
> > I fixed that one with :
> >
> > @@ -40,7 +40,7 @@ static uint32_t acpi_find_vgia(void)
> > AcpiRsdpDescriptor rsdp_table;
> > uint32_t rsdt;
> > AcpiRsdtDescriptorRev1 rsdt_table;
> > - int tables_nr;
> > + uint32_t tables_nr;
> > uint32_t *tables;
> > AcpiTableHeader ssdt_table;
> > VgidTable vgid_table;
>
>
> This make things work for me, so moving to this one.
It should be size_t, because its taking the result of a calculation that
is size_t. You also need to change the assert I mention in my other email.
Regards,
Daniel
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[Qemu-devel] [PATCH 1/2] tests: Use real size for iov tests, Juan Quintela, 2017/08/23