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drm/i915/gvt: fix typo in cfg_space range check
author
Pei Zhang
<pei.zhang@intel.com>
Fri, 23 Dec 2016 15:55:08 +0000
(23:55 +0800)
committer
Zhenyu Wang
<zhenyuw@linux.intel.com>
Mon, 26 Dec 2016 02:05:11 +0000
(10:05 +0800)
PCI basic config space's size is 256 bytes. When check if access crosses
space range, should use "> 256".
Signed-off-by: Pei Zhang <pei.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
drivers/gpu/drm/i915/gvt/cfg_space.c
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diff --git
a/drivers/gpu/drm/i915/gvt/cfg_space.c
b/drivers/gpu/drm/i915/gvt/cfg_space.c
index
959c7f0
..
711c31c
100644
(file)
--- a/
drivers/gpu/drm/i915/gvt/cfg_space.c
+++ b/
drivers/gpu/drm/i915/gvt/cfg_space.c
@@
-240,7
+240,7
@@
int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset,
if (WARN_ON(bytes > 4))
return -EINVAL;
- if (WARN_ON(offset + bytes >
=
INTEL_GVT_MAX_CFG_SPACE_SZ))
+ if (WARN_ON(offset + bytes > INTEL_GVT_MAX_CFG_SPACE_SZ))
return -EINVAL;
/* First check if it's PCI_COMMAND */