From 64d8bb83b61d3fcb0babaa88c4e8b423e7d2721e Mon Sep 17 00:00:00 2001
From: Ping Gao <ping.a.gao@intel.com>
Date: Tue, 4 Jul 2017 16:11:16 +0800
Subject: [PATCH] drm/i915/gvt: Replace duplicated code with exist function
Git-commit: 64d8bb83b61d3fcb0babaa88c4e8b423e7d2721e
Patch-mainline: v4.14-rc1
References: FATE#322643 bsc#1055900

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>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/gvt/cmd_parser.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- 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(stru
 			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);