From: Zhenyu Wang <zhenyuw@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 1/3] drm/i915/gvt: Set return value for ppgtt_populate error path
Date: Mon, 20 May 2019 10:51:24 +0800 [thread overview]
Message-ID: <20190520025124.GA12913@zhen-hp.sh.intel.com> (raw)
In-Reply-To: <20190517102225.3069-1-chris@chris-wilson.co.uk>
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On 2019.05.17 11:22:23 +0100, Chris Wilson wrote:
> Caught by smatch:
> drivers/gpu/drm/i915//gvt/gtt.c:1106 ppgtt_populate_spt_by_guest_entry() error: uninitialized symbol 'ret'.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
> ---
> drivers/gpu/drm/i915/gvt/gtt.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
> index 08c74e65836b..244ad1729764 100644
> --- a/drivers/gpu/drm/i915/gvt/gtt.c
> +++ b/drivers/gpu/drm/i915/gvt/gtt.c
> @@ -1076,8 +1076,10 @@ static struct intel_vgpu_ppgtt_spt *ppgtt_populate_spt_by_guest_entry(
> } else {
> int type = get_next_pt_type(we->type);
>
> - if (!gtt_type_is_pt(type))
> + if (!gtt_type_is_pt(type)) {
> + ret = -EINVAL;
> goto err;
> + }
>
> spt = ppgtt_alloc_spt_gfn(vgpu, type, ops->get_pfn(we), ips);
> if (IS_ERR(spt)) {
> --
I've already merged Dan's patch for this, I was out for some days of
last week, so haven't sent pull yet. Will include this in next pull.
Thanks
--
Open Source Technology Center, Intel ltd.
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prev parent reply other threads:[~2019-05-20 2:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-17 10:22 [PATCH 1/3] drm/i915/gvt: Set return value for ppgtt_populate error path Chris Wilson
2019-05-17 10:22 ` [PATCH 2/3] drm/i915/dp: Initialise locals for static analysis Chris Wilson
2019-05-17 12:09 ` Imre Deak
2019-05-17 10:22 ` [PATCH 3/3] drm/i915/hdcp: Use both bits for device_count Chris Wilson
2019-05-17 12:55 ` Ramalingam C
2019-05-17 12:46 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/3] drm/i915/gvt: Set return value for ppgtt_populate error path Patchwork
2019-05-17 13:01 ` [PATCH 1/3] " Ramalingam C
2019-05-17 13:10 ` Ramalingam C
2019-05-17 13:39 ` ✓ Fi.CI.BAT: success for series starting with [1/3] " Patchwork
2019-05-17 19:38 ` ✓ Fi.CI.IGT: " Patchwork
2019-05-20 2:51 ` Zhenyu Wang [this message]
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