diff --git a/vhba-kmp.changes b/vhba-kmp.changes
index d1c42e1..ed0479e 100644
--- a/vhba-kmp.changes
+++ b/vhba-kmp.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue May 28 14:38:13 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
+
+- Add vhba-scsiapi.diff to fix the build with Linux 5.1
+
 -------------------------------------------------------------------
 Mon Aug  7 13:28:09 UTC 2017 - jengelh@inai.de
 
diff --git a/vhba-kmp.spec b/vhba-kmp.spec
index 2142314..3f2b465 100644
--- a/vhba-kmp.spec
+++ b/vhba-kmp.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package vhba-kmp
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -20,15 +20,16 @@ Name:           vhba-kmp
 Version:        20170610
 Release:        0
 Summary:        Virtual SCSI Host Bus Adapter
-License:        GPL-2.0+
+License:        GPL-2.0-or-later
 Group:          System/Kernel
-Url:            http://cdemu.sf.net/about/vhba/
+URL:            http://cdemu.sf.net/about/vhba/
 
 #Git-Clone:	git://git.code.sf.net/p/cdemu/code
 Source:         http://downloads.sf.net/cdemu/vhba-module-%version.tar.bz2
 Source2:        %name-preamble
 Patch1:         vhba-no-werror.diff
 Patch2:         vhba-devname.diff
+Patch3:         vhba-scsiapi.diff
 BuildRequires:  kernel-syms >= 2.6.20
 BuildRequires:  modutils
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -55,8 +56,7 @@ Linux.
 
 %prep
 echo %flavors_to_build
-%setup -qn vhba-module-%version
-%patch -P 1 -P 2 -p1
+%autosetup -n vhba-module-%version -p1
 
 %build
 for flavor in %flavors_to_build; do
diff --git a/vhba-scsiapi.diff b/vhba-scsiapi.diff
new file mode 100644
index 0000000..72328dc
--- /dev/null
+++ b/vhba-scsiapi.diff
@@ -0,0 +1,78 @@
+From: Jan Engelhardt <jengelh@inai.de>
+Date: 2019-05-28 16:37:03.776407560 +0200
+
+cmd->serial_number was removed in commit
+52eaa798f4f4e983c711eaa1c13d8859a52946e8 and users were changed to
+cmd->request->tag.
+
+---
+ vhba.c |   14 +++++++-------
+ 1 file changed, 7 insertions(+), 7 deletions(-)
+
+Index: vhba-module-20170610/vhba.c
+===================================================================
+--- vhba-module-20170610.orig/vhba.c
++++ vhba-module-20170610/vhba.c
+@@ -445,7 +445,7 @@ static int vhba_queuecommand_lck (struct
+     struct vhba_device *vdev;
+     int retval;
+ 
+-    scmd_dbg(cmd, "queue %lu\n", cmd->serial_number);
++    scmd_dbg(cmd, "queue %lu\n", cmd->request->tag);
+ 
+     vdev = vhba_lookup_device(cmd->device->id);
+     if (!vdev) {
+@@ -476,7 +476,7 @@ static int vhba_abort (struct scsi_cmnd
+     struct vhba_device *vdev;
+     int retval = SUCCESS;
+ 
+-    scmd_warn(cmd, "abort %lu\n", cmd->serial_number);
++    scmd_warn(cmd, "abort %lu\n", cmd->request->tag);
+ 
+     vdev = vhba_lookup_device(cmd->device->id);
+     if (vdev) {
+@@ -508,7 +508,7 @@ static ssize_t do_request (struct scsi_c
+     ssize_t ret;
+ 
+     scmd_dbg(cmd, "request %lu, cdb 0x%x, bufflen %d, use_sg %d\n",
+-        cmd->serial_number, cmd->cmnd[0], scsi_bufflen(cmd), scsi_sg_count(cmd));
++        cmd->request->tag, cmd->cmnd[0], scsi_bufflen(cmd), scsi_sg_count(cmd));
+ 
+     ret = sizeof(vreq);
+     if (DATA_TO_DEVICE(cmd->sc_data_direction)) {
+@@ -520,7 +520,7 @@ static ssize_t do_request (struct scsi_c
+         return -EIO;
+     }
+ 
+-    vreq.tag = cmd->serial_number;
++    vreq.tag = cmd->request->tag;
+     vreq.lun = cmd->device->lun;
+     memcpy(vreq.cdb, cmd->cmnd, MAX_COMMAND_SIZE);
+     vreq.cdb_len = cmd->cmd_len;
+@@ -585,7 +585,7 @@ static ssize_t do_response (struct scsi_
+     ssize_t ret = 0;
+ 
+     scmd_dbg(cmd, "response %lu, status %x, data len %d, use_sg %d\n",
+-         cmd->serial_number, res->status, res->data_len, scsi_sg_count(cmd));
++         cmd->request->tag, res->status, res->data_len, scsi_sg_count(cmd));
+ 
+     if (res->status) {
+         unsigned char sense_stack[SCSI_SENSE_BUFFERSIZE];
+@@ -695,7 +695,7 @@ static inline struct vhba_command *match
+     struct vhba_command *vcmd;
+ 
+     list_for_each_entry(vcmd, &vdev->cmd_list, entry) {
+-        if (vcmd->cmd->serial_number == tag) {
++        if (vcmd->cmd->request->tag == tag) {
+             break;
+         }
+     }
+@@ -931,7 +931,7 @@ static int vhba_ctl_release (struct inod
+     list_for_each_entry(vcmd, &vdev->cmd_list, entry) {
+         WARN_ON(vcmd->status == VHBA_REQ_READING || vcmd->status == VHBA_REQ_WRITING);
+ 
+-        scmd_warn(vcmd->cmd, "device released with command %lu\n", vcmd->cmd->serial_number);
++        scmd_warn(vcmd->cmd, "device released with command %lu\n", vcmd->cmd->request->tag);
+         vcmd->cmd->result = DID_NO_CONNECT << 16;
+         vcmd->cmd->scsi_done(vcmd->cmd);
+