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Re: [Libvir] [PATCH] Miscellaneous cleanups for virNodeGetFreeMemory and virNodeGetCellsFreeMemory



Same patch, just rebased to the latest libvirt CVS.

Rich.

--
Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/
Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod
Street, Windsor, Berkshire, SL4 1TE, United Kingdom.  Registered in
England and Wales under Company Registration No. 03798903
Index: docs/libvir.html
===================================================================
RCS file: /data/cvs/libvirt/docs/libvir.html,v
retrieving revision 1.91
diff -u -r1.91 libvir.html
--- docs/libvir.html	14 Nov 2007 17:11:19 -0000	1.91
+++ docs/libvir.html	15 Nov 2007 14:11:15 -0000
@@ -3262,12 +3262,20 @@
   <td> &ge; 0.3.0 </td>
 </tr>
 <tr>
+  <td> virNodeGetFreeMemory </td>
+  <td> 0.3.3 </td>
+  <td> &ge; 0.3.3 </td>
+  <td> x </td>
+  <td> x </td>
+  <td> x </td>
+</tr>
+<tr>
   <td> virNodeGetCellsFreeMemory </td>
   <td> 0.3.3 </td>
   <td> &ge; 0.3.3 </td>
-  <td></td>
-  <td></td>
-  <td></td>
+  <td> x </td>
+  <td> x </td>
+  <td> x </td>
 </tr>
 </table>
 
Index: src/libvirt.c
===================================================================
RCS file: /data/cvs/libvirt/src/libvirt.c,v
retrieving revision 1.105
diff -u -r1.105 libvirt.c
--- src/libvirt.c	14 Nov 2007 11:40:57 -0000	1.105
+++ src/libvirt.c	15 Nov 2007 14:11:17 -0000
@@ -2011,6 +2011,8 @@
 unsigned long long
 virNodeGetFreeMemory(virConnectPtr conn)
 {
+    DEBUG("conn=%p", conn);
+
     if (!VIR_IS_CONNECT (conn)) {
         virLibConnError (NULL, VIR_ERR_INVALID_CONN, __FUNCTION__);
         return 0;
@@ -2729,6 +2731,9 @@
 virNodeGetCellsFreeMemory(virConnectPtr conn, unsigned long long *freeMems,
                           int startCell, int maxCells)
 {
+    DEBUG("conn=%p, freeMems=%p, startCell=%d, maxCells=%d",
+          conn, freeMems, startCell, maxCells);
+
     if (!VIR_IS_CONNECT(conn)) {
         virLibConnError(conn, VIR_ERR_INVALID_CONN, __FUNCTION__);
         return (-1);
Index: src/xen_internal.c
===================================================================
RCS file: /data/cvs/libvirt/src/xen_internal.c,v
retrieving revision 1.101
diff -u -r1.101 xen_internal.c
--- src/xen_internal.c	14 Nov 2007 11:58:36 -0000	1.101
+++ src/xen_internal.c	15 Nov 2007 14:11:19 -0000
@@ -722,6 +722,7 @@
 
 /**
  * virXenError:
+ * @conn: connection, if known
  * @error: the error number
  * @info: extra information string
  * @value: extra information number
@@ -729,7 +730,8 @@
  * Handle an error at the xend daemon interface
  */
 static void
-virXenError(virErrorNumber error, const char *info, int value)
+virXenError(virConnectPtr conn,
+            virErrorNumber error, const char *info, int value)
 {
     const char *errmsg;
 
@@ -737,7 +739,7 @@
         return;
 
     errmsg = __virErrorMsg(error, info);
-    __virRaiseError(NULL, NULL, NULL, VIR_FROM_XEN, error, VIR_ERR_ERROR,
+    __virRaiseError(conn, NULL, NULL, VIR_FROM_XEN, error, VIR_ERR_ERROR,
                     errmsg, info, NULL, value, 0, errmsg, info, value);
 }
 
@@ -745,6 +747,7 @@
 
 /**
  * virXenErrorFunc:
+ * @conn: connection, if known
  * @error: the error number
  * @func: the function failing
  * @info: extra information string
@@ -753,7 +756,8 @@
  * Handle an error at the xend daemon interface
  */
 static void
-virXenErrorFunc(virErrorNumber error, const char *func, const char *info,
+virXenErrorFunc(virConnectPtr conn,
+                virErrorNumber error, const char *func, const char *info,
                 int value)
 {
     char fullinfo[1000];
@@ -767,11 +771,11 @@
     if (func != NULL) {
         snprintf(fullinfo, 999, "%s: %s", func, info);
 	fullinfo[999] = 0;
-	__virRaiseError(NULL, NULL, NULL, VIR_FROM_XEN, error, VIR_ERR_ERROR,
+	__virRaiseError(conn, NULL, NULL, VIR_FROM_XEN, error, VIR_ERR_ERROR,
 			errmsg, fullinfo, NULL, value, 0, errmsg, fullinfo,
 			value);
     } else {
-	__virRaiseError(NULL, NULL, NULL, VIR_FROM_XEN, error, VIR_ERR_ERROR,
+	__virRaiseError(conn, NULL, NULL, VIR_FROM_XEN, error, VIR_ERR_ERROR,
 			errmsg, info, NULL, value, 0, errmsg, info,
 			value);
     }
@@ -825,17 +829,17 @@
     hc.arg[0] = (unsigned long) op;
 
     if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " locking", sizeof(*op));
         return (-1);
     }
 
     ret = ioctl(handle, xen_ioctl_hypercall_cmd, (unsigned long) &hc);
     if (ret < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
+        virXenError(NULL, VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
     }
 
     if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
         ret = -1;
     }
 
@@ -866,17 +870,17 @@
     hc.arg[0] = (unsigned long) op;
 
     if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " locking", sizeof(*op));
         return (-1);
     }
 
     ret = ioctl(handle, xen_ioctl_hypercall_cmd, (unsigned long) &hc);
     if (ret < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
+        virXenError(NULL, VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
     }
 
     if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
         ret = -1;
     }
 
@@ -908,17 +912,17 @@
     hc.arg[0] = (unsigned long) op;
 
     if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " locking", sizeof(*op));
         return (-1);
     }
 
     ret = ioctl(handle, xen_ioctl_hypercall_cmd, (unsigned long) &hc);
     if (ret < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " sys ioctl ", xen_ioctl_hypercall_cmd);
+        virXenError(NULL, VIR_ERR_XEN_CALL, " sys ioctl ", xen_ioctl_hypercall_cmd);
     }
 
     if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
         ret = -1;
     }
 
@@ -950,17 +954,17 @@
     hc.arg[0] = (unsigned long) op;
 
     if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " locking", sizeof(*op));
         return (-1);
     }
 
     ret = ioctl(handle, xen_ioctl_hypercall_cmd, (unsigned long) &hc);
     if (ret < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
+        virXenError(NULL, VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
     }
 
     if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
+        virXenError(NULL, VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
         ret = -1;
     }
 
@@ -989,7 +993,7 @@
 
     if (lock_pages(XEN_GETDOMAININFOLIST_DATA(dominfos),
               XEN_GETDOMAININFO_SIZE * maxids) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " locking",
+        virXenError(NULL, VIR_ERR_XEN_CALL, " locking",
                     XEN_GETDOMAININFO_SIZE * maxids);
         return (-1);
     }
@@ -1045,7 +1049,7 @@
     }
     if (unlock_pages(XEN_GETDOMAININFOLIST_DATA(dominfos),
                 XEN_GETDOMAININFO_SIZE * maxids) < 0) {
-        virXenError(VIR_ERR_XEN_CALL, " release",
+        virXenError(NULL, VIR_ERR_XEN_CALL, " release",
                     XEN_GETDOMAININFO_SIZE * maxids);
         ret = -1;
     }
@@ -1084,14 +1088,14 @@
     xenUnifiedPrivatePtr priv;
 
     if ((domain == NULL) || (domain->conn == NULL)) {
-        virXenErrorFunc(VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
+        virXenErrorFunc(NULL, VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
 			"domain or conn is NULL", 0);
         return NULL;
     }
 
     priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
     if (priv->handle < 0 || domain->id < 0) {
-        virXenErrorFunc(VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
+        virXenErrorFunc(domain->conn, VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
 			"priv->handle or domain->id invalid", 0);
         return NULL;
     }
@@ -1102,7 +1106,7 @@
      * TODO: check on Xen 3.0.3
      */
     if (dom_interface_version < 5) {
-        virXenErrorFunc(VIR_ERR_NO_XEN, __FUNCTION__,
+        virXenErrorFunc(domain->conn, VIR_ERR_NO_XEN, __FUNCTION__,
 		        "unsupported in dom interface < 5", 0);
         return NULL;
     }
@@ -1159,14 +1163,14 @@
     xenUnifiedPrivatePtr priv;
 
     if ((domain == NULL) || (domain->conn == NULL)) {
-        virXenErrorFunc(VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
+        virXenErrorFunc(NULL, VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
 			"domain or conn is NULL", 0);
         return -1;
     }
 
     priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
     if (priv->handle < 0 || domain->id < 0) {
-        virXenErrorFunc(VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
+        virXenErrorFunc(domain->conn, VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
 			"priv->handle or domain->id invalid", 0);
         return -1;
     }
@@ -1177,7 +1181,7 @@
      * TODO: check on Xen 3.0.3
      */
     if (dom_interface_version < 5) {
-        virXenErrorFunc(VIR_ERR_NO_XEN, __FUNCTION__,
+        virXenErrorFunc(domain->conn, VIR_ERR_NO_XEN, __FUNCTION__,
 			"unsupported in dom interface < 5", 0);
         return -1;
     }
@@ -1223,7 +1227,7 @@
 		*nparams = 2;
 		break;
 	    default:
-		virXenErrorFunc(VIR_ERR_INVALID_ARG, __FUNCTION__,
+        virXenErrorFunc(domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
 			"Unknown scheduler", op_sys.u.getschedulerid.sched_id);
 		return -1;
         }
@@ -1251,20 +1255,20 @@
     char buf[256];
 
     if ((domain == NULL) || (domain->conn == NULL)) {
-        virXenErrorFunc (VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
+        virXenErrorFunc (NULL, VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
 	                 "domain or conn is NULL", 0);
         return -1;
     }
 
     if ((nparams == 0) || (params == NULL)) {
-	virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__,
+        virXenErrorFunc (domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
 			 "Noparameters given", 0);
 	return(-1);
     }
 
     priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
     if (priv->handle < 0 || domain->id < 0) {
-        virXenErrorFunc (VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
+        virXenErrorFunc (domain->conn, VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
 	                 "priv->handle or domain->id invalid", 0);
         return -1;
     }
@@ -1275,7 +1279,7 @@
      * TODO: check on Xen 3.0.3
      */
     if (dom_interface_version < 5) {
-        virXenErrorFunc(VIR_ERR_NO_XEN, __FUNCTION__,
+        virXenErrorFunc(domain->conn, VIR_ERR_NO_XEN, __FUNCTION__,
 			"unsupported in dom interface < 5", 0);
         return -1;
     }
@@ -1319,7 +1323,7 @@
 		    val = params[i].value.ui;
 		    if ((val < 1) || (val > USHRT_MAX)) {
                         snprintf(buf, sizeof(buf), _("Credit scheduler weight parameter (%d) is out of range (1-65535)"), val);
-                        virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__, buf, val);
+                        virXenErrorFunc (domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__, buf, val);
 			return(-1);
 		    }
                     op_dom.u.getschedinfo.u.credit.weight = val;
@@ -1329,14 +1333,14 @@
 		    val = params[i].value.ui;
 		    if (val > USHRT_MAX) {
                         snprintf(buf, sizeof(buf), _("Credit scheduler cap parameter (%d) is out of range (0-65535)"), val);
-		        virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__, buf, val);
+                        virXenErrorFunc (domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__, buf, val);
 			return(-1);
 		    }
                     op_dom.u.getschedinfo.u.credit.cap = val;
 		    cap_set = 1;
 	        } else {
-		    virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__,
-	     "Credit scheduler accepts 'cap' and 'weight' integer parameters",
+                    virXenErrorFunc (domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
+                                     "Credit scheduler accepts 'cap' and 'weight' integer parameters",
 				     0);
 		    return(-1);
 		}
@@ -1348,7 +1352,7 @@
             break;
 	}
         default:
-            virXenErrorFunc(VIR_ERR_INVALID_ARG, __FUNCTION__,
+            virXenErrorFunc(domain->conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
                         "Unknown scheduler", op_sys.u.getschedulerid.sched_id);
             return -1;
         }
@@ -1369,7 +1373,7 @@
     priv = (xenUnifiedPrivatePtr) dom->conn->privateData;
     return xenLinuxDomainBlockStats (priv, dom, path, stats);
 #else
-    virXenErrorFunc (VIR_ERR_NO_SUPPORT, __FUNCTION__,
+    virXenErrorFunc (dom->conn, VIR_ERR_NO_SUPPORT, __FUNCTION__,
                      "block statistics not supported on this platform",
                      dom->id);
     return -1;
@@ -1395,19 +1399,19 @@
      * domain.
      */
     if (sscanf (path, "vif%d.%d", &rqdomid, &device) != 2) {
-        virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__,
+        virXenErrorFunc (dom->conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
                          "invalid path, should be vif<domid>.<n>.", 0);
         return -1;
     }
     if (rqdomid != dom->id) {
-        virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__,
+        virXenErrorFunc (dom->conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
                          "invalid path, vif<domid> should match this domain ID", 0);
         return -1;
     }
 
     return linuxDomainInterfaceStats (dom->conn, path, stats);
 #else
-    virXenErrorFunc (VIR_ERR_NO_SUPPORT, __FUNCTION__,
+    virXenErrorFunc (dom->conn, VIR_ERR_NO_SUPPORT, __FUNCTION__,
                      "/proc/net/dev: Interface not found", 0);
     return -1;
 #endif
@@ -1641,7 +1645,7 @@
         xen_op_v2_dom op;
 
         if (lock_pages(cpumap, maplen) < 0) {
-            virXenError(VIR_ERR_XEN_CALL, " locking", maplen);
+            virXenError(NULL, VIR_ERR_XEN_CALL, " locking", maplen);
             return (-1);
         }
         memset(&op, 0, sizeof(op));
@@ -1659,7 +1663,7 @@
         ret = xenHypervisorDoV2Dom(handle, &op);
 
         if (unlock_pages(cpumap, maplen) < 0) {
-            virXenError(VIR_ERR_XEN_CALL, " release", maplen);
+            virXenError(NULL, VIR_ERR_XEN_CALL, " release", maplen);
             ret = -1;
         }
     } else {
@@ -1756,7 +1760,7 @@
         }
         if ((cpumap != NULL) && (maplen > 0)) {
             if (lock_pages(cpumap, maplen) < 0) {
-                virXenError(VIR_ERR_XEN_CALL, " locking", maplen);
+                virXenError(NULL, VIR_ERR_XEN_CALL, " locking", maplen);
                 return (-1);
             }
             memset(cpumap, 0, maplen);
@@ -1774,7 +1778,7 @@
             }
             ret = xenHypervisorDoV2Dom(handle, &op);
             if (unlock_pages(cpumap, maplen) < 0) {
-                virXenError(VIR_ERR_XEN_CALL, " release", maplen);
+                virXenError(NULL, VIR_ERR_XEN_CALL, " release", maplen);
                 ret = -1;
             }
         }
@@ -1870,7 +1874,7 @@
         char error[100];
         regerror (errcode, &flags_hvm_rec, error, sizeof error);
         regfree (&flags_hvm_rec);
-        virXenError (VIR_ERR_INTERNAL_ERROR, error, 0);
+        virXenError (NULL, VIR_ERR_INTERNAL_ERROR, error, 0);
         in_init = 0;
         return -1;
     }
@@ -1880,7 +1884,7 @@
         regerror (errcode, &flags_pae_rec, error, sizeof error);
         regfree (&flags_pae_rec);
         regfree (&flags_hvm_rec);
-        virXenError (VIR_ERR_INTERNAL_ERROR, error, 0);
+        virXenError (NULL, VIR_ERR_INTERNAL_ERROR, error, 0);
         in_init = 0;
         return -1;
     }
@@ -1891,7 +1895,7 @@
         regfree (&xen_cap_rec);
         regfree (&flags_pae_rec);
         regfree (&flags_hvm_rec);
-        virXenError (VIR_ERR_INTERNAL_ERROR, error, 0);
+        virXenError (NULL, VIR_ERR_INTERNAL_ERROR, error, 0);
         in_init = 0;
         return -1;
     }
@@ -1949,7 +1953,7 @@
      */
 
     hypervisor_version = -1;
-    virXenError(VIR_ERR_XEN_CALL, " ioctl ", IOCTL_PRIVCMD_HYPERCALL);
+    virXenError(NULL, VIR_ERR_XEN_CALL, " ioctl ", IOCTL_PRIVCMD_HYPERCALL);
     close(fd);
     in_init = 0;
     return(-1);
@@ -2028,7 +2032,7 @@
      */
 
     hypervisor_version = -1;
-    virXenError(VIR_ERR_XEN_CALL, " ioctl ", IOCTL_PRIVCMD_HYPERCALL);
+    virXenError(NULL, VIR_ERR_XEN_CALL, " ioctl ", IOCTL_PRIVCMD_HYPERCALL);
     close(fd);
     in_init = 0;
     if (ipt)
@@ -2069,7 +2073,7 @@
 
     ret = open(XEN_HYPERVISOR_SOCKET, O_RDWR);
     if (ret < 0) {
-        virXenError(VIR_ERR_NO_XEN, XEN_HYPERVISOR_SOCKET, 0);
+        virXenError(conn, VIR_ERR_NO_XEN, XEN_HYPERVISOR_SOCKET, 0);
         return (-1);
     }
 
@@ -2123,7 +2127,7 @@
 xenHypervisorGetType(virConnectPtr conn)
 {
     if (!VIR_IS_CONNECT(conn)) {
-        virXenError(VIR_ERR_INVALID_CONN, __FUNCTION__, 0);
+        virXenError(conn, VIR_ERR_INVALID_CONN, __FUNCTION__, 0);
         return (NULL);
     }
     return("Xen");
@@ -2162,7 +2166,7 @@
  * Return the capabilities of this hypervisor.
  */
 char *
-xenHypervisorMakeCapabilitiesXML(virConnectPtr conn ATTRIBUTE_UNUSED,
+xenHypervisorMakeCapabilitiesXML(virConnectPtr conn,
                                  const char *hostmachine,
                                  FILE *cpuinfo, FILE *capabilities)
 {
@@ -2308,7 +2312,7 @@
     /* Construct the final XML. */
     xml = virBufferNew (1024);
     if (!xml) {
-        virXenError(VIR_ERR_NO_MEMORY, __FUNCTION__, 0);
+        virXenError(conn, VIR_ERR_NO_MEMORY, __FUNCTION__, 0);
         return NULL;
     }
     r = virBufferVSprintf (xml,
@@ -2425,7 +2429,7 @@
     return xml_str;
 
  vir_buffer_failed:
-    virXenError(VIR_ERR_NO_MEMORY, __FUNCTION__, 0);
+    virXenError(conn, VIR_ERR_NO_MEMORY, __FUNCTION__, 0);
  topology_failed:
     virBufferFree (xml);
     return NULL;
@@ -2499,7 +2503,7 @@
 
  retry:
     if (!(XEN_GETDOMAININFOLIST_ALLOC(dominfos, maxids))) {
-        virXenError(VIR_ERR_NO_MEMORY, _("allocating %d domain info"),
+        virXenError(conn, VIR_ERR_NO_MEMORY, _("allocating %d domain info"),
                     maxids);
         return(-1);
     }
@@ -2558,7 +2562,7 @@
         return (-1);
 
     if (!(XEN_GETDOMAININFOLIST_ALLOC(dominfos, maxids))) {
-        virXenError(VIR_ERR_NO_MEMORY, "allocating %d domain info",
+        virXenError(conn, VIR_ERR_NO_MEMORY, "allocating %d domain info",
                     maxids);
         return(-1);
     }
@@ -2666,7 +2670,7 @@
 
  retry:
     if (!(XEN_GETDOMAININFOLIST_ALLOC(dominfos, maxids))) {
-        virXenError(VIR_ERR_NO_MEMORY, "allocating %d domain info",
+        virXenError(conn, VIR_ERR_NO_MEMORY, "allocating %d domain info",
                     maxids);
         return(NULL);
     }
@@ -2942,20 +2946,20 @@
     int nbNodeCells;
     
     if (conn == NULL) {
-        virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__,
+        virXenErrorFunc (conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
                         "invalid argument", 0);
         return -1;
     }
 
     nbNodeCells = xenNbCells(conn);
     if (nbNodeCells < 0) {
-	virXenErrorFunc (VIR_ERR_XEN_CALL, __FUNCTION__,
+        virXenErrorFunc (conn, VIR_ERR_XEN_CALL, __FUNCTION__,
 			 "cannot determine actual number of cells",0);
 	return(-1);
     }
 
     if ((maxCells < 1) || (startCell >= nbNodeCells)) {
-        virXenErrorFunc (VIR_ERR_INVALID_ARG, __FUNCTION__,
+        virXenErrorFunc (conn, VIR_ERR_INVALID_ARG, __FUNCTION__,
                         "invalid argument", 0);
         return -1;
     }
@@ -2964,14 +2968,14 @@
      * Support only sys_interface_version >=4
      */
     if (sys_interface_version < 4) {
-        virXenErrorFunc (VIR_ERR_XEN_CALL, __FUNCTION__,
+        virXenErrorFunc (conn, VIR_ERR_XEN_CALL, __FUNCTION__,
                         "unsupported in sys interface < 4", 0);
         return -1;
     }
 
     priv = (xenUnifiedPrivatePtr) conn->privateData;
     if (priv->handle < 0) {
-        virXenErrorFunc (VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
+        virXenErrorFunc (conn, VIR_ERR_INTERNAL_ERROR, __FUNCTION__,
                         "priv->handle invalid", 0);
         return -1;
     }

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