From 64d8bb83b61d3fcb0babaa88c4e8b423e7d2721e Mon Sep 17 00:00:00 2001 From: Ping Gao Date: Tue, 4 Jul 2017 16:11:16 +0800 Subject: [PATCH] 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 Signed-off-by: Zhenyu Wang --- drivers/gpu/drm/i915/gvt/cmd_parser.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) 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); -- 2.11.0