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From: Sepherosa Ziehau <sephe@FreeBSD.org>
Date: Wed, 19 Oct 2016 07:43:39 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r307617 - stable/11/sys/dev/hyperv/storvsc
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Author: sephe
Date: Wed Oct 19 07:43:39 2016
New Revision: 307617
URL: https://svnweb.freebsd.org/changeset/base/307617

Log:
  MFC 307261
  
      hyperv/stor: Fix off-by-one bug; this brings back TRIM support.
  
      Submitted by:   Hongjiang Zhang <honzhan microsoft com>
      Reported by:    Lili Deng <v-lide microsoft com>
      Sponsored by:   Microsoft
      Differential Revision:  https://reviews.freebsd.org/D8238

Modified:
  stable/11/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
==============================================================================
--- stable/11/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c	Wed Oct 19 07:40:51 2016	(r307616)
+++ stable/11/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c	Wed Oct 19 07:43:39 2016	(r307617)
@@ -2210,7 +2210,7 @@ storvsc_io_done(struct hv_storvsc_reques
 				    resp_buf[3], resp_buf[4]);
 			}
 			if (vm_srb->srb_status == SRB_STATUS_SUCCESS &&
-			    data_len > SHORT_INQUIRY_LENGTH) {
+			    data_len >= SHORT_INQUIRY_LENGTH) {
 				char vendor[16];
 
 				cam_strvis(vendor, inq_data->vendor,