From: Ping Gao <ping.a.gao@intel.com>
Date: Tue, 4 Jul 2017 08:11:16 +0000 (+0800)
Subject: drm/i915/gvt: Replace duplicated code with exist function
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=64d8bb83b61d3fcb0babaa88c4e8b423e7d2721e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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 7ed8c551a5a1..72b97ce525e8 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);