drm/i915/gvt: fix typo in cfg_space range check

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>

diff --git a/drivers/gpu/drm/i915/gvt/cfg_space.c b/drivers/gpu/drm/i915/gvt/cfg_space.c
index 959c7f0144b435f380798285ee182e8919e4acfc..711c31c8d8b46c3c51e4f93a741daecf4b28ce31 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 */