--- libvirt-0.7.4.orig/src/storage/storage_backend.c	2009-11-10 14:32:15.000000000 +0100
+++ libvirt-0.7.4/src/storage/storage_backend.c	2009-11-23 22:51:40.000000000 +0100
@@ -136,7 +136,7 @@ virStorageBackendCopyToFD(virConnectPtr 
         goto cleanup;
     }
 
-    bzero(&zerobuf, sizeof(zerobuf));
+    memset(&zerobuf, 0, sizeof(zerobuf));
 
     if (VIR_ALLOC_N(buf, bytes) < 0) {
         virReportOOMError(conn);
