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Re: [PATCH v2] hw/block: nvme: Fix a build error in nvme_get_feature()
From: |
Bin Meng |
Subject: |
Re: [PATCH v2] hw/block: nvme: Fix a build error in nvme_get_feature() |
Date: |
Wed, 10 Feb 2021 19:17:28 +0800 |
Hi Philippe,
On Wed, Feb 10, 2021 at 7:15 PM Philippe Mathieu-Daudé
<philmd@redhat.com> wrote:
>
> On 2/10/21 12:12 PM, Philippe Mathieu-Daudé wrote:
> > Hi Bin,
> >
> > On 2/10/21 11:23 AM, Bin Meng wrote:
> >> From: Bin Meng <bin.meng@windriver.com>
> >>
> >> Current QEMU HEAD nvme.c does not compile:
> >>
> >> hw/block/nvme.c:3242:9: error: ‘result’ may be used uninitialized in
> >> this function [-Werror=maybe-uninitialized]
> >> trace_pci_nvme_getfeat_vwcache(result ? "enabled" : "disabled");
> >> ^
> >> hw/block/nvme.c:3150:14: note: ‘result’ was declared here
> >> uint32_t result;
> >> ^
> >
> > Why isn't this catched by our CI? What is your host OS? Fedora 33?
>
> Just noticed v1 and Peter's explanation:
> https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg03528.html
>
> Can you amend "default GCC 5.4 on a Ubuntu 16.04 host" information
> please?
>
Sure.
Regards,
Bin