This function return value is invariant since 18f3771, so change
its type and remove all dependent checks.

Found by Linux Verification Center (linuxtesting.org) with Svace.

Reported-by: Pavel Nekrasov <p.nekrasov@fobos-nt.ru>
Signed-off-by: Alexander Kuznetsov <kuznetsovam@altlinux.org>
---
 src/hypervisor/virhostdev.c | 3 +--
 src/util/virscsivhost.c     | 4 +---
 src/util/virscsivhost.h     | 6 +++---
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/hypervisor/virhostdev.c b/src/hypervisor/virhostdev.c
index 84c036e075..0a1d8500d4 100644
--- a/src/hypervisor/virhostdev.c
+++ b/src/hypervisor/virhostdev.c
@@ -1667,8 +1667,7 @@ virHostdevPrepareSCSIVHostDevices(virHostdevManager *mgr,
         if (!(host = virSCSIVHostDeviceNew(hostsrc->wwpn)))
             return -1;
 
-        if (virSCSIVHostDeviceSetUsedBy(host, drv_name, dom_name) < 0)
-            return -1;
+        virSCSIVHostDeviceSetUsedBy(host, drv_name, dom_name);
 
         if (virSCSIVHostDeviceListAdd(list, host) < 0)
             return -1;
diff --git a/src/util/virscsivhost.c b/src/util/virscsivhost.c
index 15024d7106..6934fd574b 100644
--- a/src/util/virscsivhost.c
+++ b/src/util/virscsivhost.c
@@ -193,7 +193,7 @@ virSCSIVHostDeviceListNew(void)
 }
 
 
-int
+void
 virSCSIVHostDeviceSetUsedBy(virSCSIVHostDevice *dev,
                             const char *drvname,
                             const char *domname)
@@ -202,8 +202,6 @@ virSCSIVHostDeviceSetUsedBy(virSCSIVHostDevice *dev,
     VIR_FREE(dev->used_by_domname);
     dev->used_by_drvname = g_strdup(drvname);
     dev->used_by_domname = g_strdup(domname);
-
-    return 0;
 }
 
 
diff --git a/src/util/virscsivhost.h b/src/util/virscsivhost.h
index a7299382db..48b5fdec78 100644
--- a/src/util/virscsivhost.h
+++ b/src/util/virscsivhost.h
@@ -50,9 +50,9 @@ void virSCSIVHostDeviceListDel(virSCSIVHostDeviceList *list,
                                virSCSIVHostDevice *dev);
 virSCSIVHostDeviceList *virSCSIVHostDeviceListNew(void);
 virSCSIVHostDevice *virSCSIVHostDeviceNew(const char *name);
-int virSCSIVHostDeviceSetUsedBy(virSCSIVHostDevice *dev,
-                                const char *drvname,
-                                const char *domname);
+void virSCSIVHostDeviceSetUsedBy(virSCSIVHostDevice *dev,
+                                 const char *drvname,
+                                 const char *domname);
 void virSCSIVHostDeviceGetUsedBy(virSCSIVHostDevice *dev,
                                  const char **drv_name,
                                  const char **dom_name);
-- 
2.42.2