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Date: Tue, 02 Jul 2013 22:22:46 +0200
From: Stefan Weil <sw@weilnetz.de>
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Subject: Re: [Qemu-devel] [PATCH 3/3] spapr: Fix compiler warning for some
 versions of gcc (spapr_io_read)
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To: Alexander Graf <agraf@suse.de>
Cc: qemu-devel <qemu-devel@nongnu.org>, David Gibson <david@gibson.dropbear.id.au>

Am 02.07.2013 14:45, schrieb Alexander Graf:
> On 06/24/2013 07:48 PM, Stefan Weil wrote:
>> i686-w64-mingw32-gcc (GCC) 4.6.3 from Debian wheezy reports this
>> warning:
>>
>> hw/ppc/spapr_pci.c:454:1: warning:
>>   control reaches end of non-void function [-Wreturn-type]
>>
>> Adding a default case to the switch statement satisfies the compiler.
>> This modification requires moving the assert statement.
>>
>> Signed-off-by: Stefan Weil<sw@weilnetz.de>
>> ---
>>   hw/ppc/spapr_pci.c |    3 ++-
>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
>> index 04e8362..c04086c 100644
>> --- a/hw/ppc/spapr_pci.c
>> +++ b/hw/ppc/spapr_pci.c
>> @@ -448,9 +448,10 @@ static uint64_t spapr_io_read(void *opaque,
>> hwaddr addr,
>>       case 2:
>>           return cpu_inw(addr);
>>       case 4:
>> +    default:
>> +        assert(size == 4);
>>           return cpu_inl(addr);
>
> Please fix this one up with g_assert_not_reached() as well.
>
> Alex

I did, and you applied it to ppc-next. :-)

See http://patchwork.ozlabs.org/patch/255738/.

Cheers
Stefan