Re: [PATCH v2 05/12] hw/cxl: fix invalid free on early return

Akihiko Odaki <[email protected]> Mon, 27 Jul 2026 13:40:48 +0900
Newsgroups org.kernel.vger.linux-cxl,org.nongnu.qemu-devel
Message-ID <[email protected]>
On 2026/07/27 6:09, Marc-André Lureau wrote:
> On Mon, Jul 27, 2026 at 12:49 AM Michael S. Tsirkin <[email protected]> wrote:
>>
>> On Mon, Jul 27, 2026 at 12:44:04AM +0400, Marc-André Lureau wrote:
>>> Fixes: 680935c9a6ff ("hw/cxl: Add a performant (and correct) path for the non interleaved cases")
>>> Signed-off-by: Marc-André Lureau <[email protected]>
>>
>> Not commit log really?
> 
> SSIA, but I can make it longer if it helps.

I agree the subject is sufficient so:

Reviewed-by: Akihiko Odaki <[email protected]>

That said, we can quote docs/devel/style.rst if desired:

 > * Variables declared with g_auto* MUST always be initialized,
 >   otherwise the cleanup function will use uninitialized stack memory

Regards,
Akihiko Odaki

> 
>>
>>> ---
>>>   hw/cxl/cxl-host.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/hw/cxl/cxl-host.c b/hw/cxl/cxl-host.c
>>> index 7e744312f1d8..eba13c9e7cba 100644
>>> --- a/hw/cxl/cxl-host.c
>>> +++ b/hw/cxl/cxl-host.c
>>> @@ -279,7 +279,7 @@ static void cxl_fmws_direct_passthrough_setup(CXLDirectPTState *state,
>>>       MemoryRegion *mr = NULL;
>>>       uint64_t vmr_size = 0, pmr_size = 0, offset = 0;
>>>       MemoryRegion *direct_mr;
>>> -    g_autofree char *direct_mr_name;
>>> +    g_autofree char *direct_mr_name = NULL;
>>>       unsigned int idx = state->hdm_decoder_idx;
>>>
>>>       if (ct3d->hostvmem) {
>>>
>>> --
>>> 2.55.0
>>
>>