drm/i915/gvt: Replace duplicated code with exist function
Use the exist function intel_gvt_ggtt_validate_range to replace
these duplicated code that do the same thing.
Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 7ed8c55..72b97ce 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -1382,13 +1382,13 @@ static inline int cmd_address_audit(struct parser_exec_state *s,
ret = -EINVAL;
goto err;
}
- } else if ((!vgpu_gmadr_is_valid(s->vgpu, guest_gma)) ||
- (!vgpu_gmadr_is_valid(s->vgpu,
- guest_gma + op_size - 1))) {
+ } else if (!intel_gvt_ggtt_validate_range(vgpu, guest_gma, op_size)) {
ret = -EINVAL;
goto err;
}
+
return 0;
+
err:
gvt_vgpu_err("cmd_parser: Malicious %s detected, addr=0x%lx, len=%d!\n",
s->info->name, guest_gma, op_size);