From 591c39ffac4ab1ddf2ea6d49331cb614e0682b28 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 13 May 2019 12:22:44 +0300
Subject: [PATCH] drm/i915/gvt: Fix an error code in
ppgtt_populate_spt_by_guest_entry()
"ret" is uninitialized on this path but it should be -EINVAL.
Fixes: 930c8dfea4b8 ("drm/i915/gvt: Check if get_next_pt_type() always returns a valid value")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: 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 08c74e65836b5..244ad17297646 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)) {
--
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