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[libvirt] [PATCHv3 4/6] xen: reject unknown flags



Also fix a logic bug in xenXMDomain{Attach,Detach}DeviceFlags,
where (flags & VIR_DOMAIN_DEVICE_MODIFY_CURRENT) is always false.

* src/xen/xen_driver.c (xenUnifiedDomainXMLFromNative)
(xenUnifiedDomainXMLToNative, xenUnifiedDomainBlockPeek): Reject
unknown flags.
* src/xen/xen_hypervisor.c (xenHypervisorOpen)
(xenHypervisorGetDomainState): Likewise.
* src/xen/xen_inotify.c (xenInotifyOpen): Likewise.
* src/xen/xs_internal.c (xenStoreOpen, xenStoreDomainGetState)
(xenStoreDomainReboot): Likewise.
* src/xen/xend_internal.c (xenDaemonOpen, xenDaemonDomainReboot)
(xenDaemonDomainCoreDump, xenDaemonDomainGetState)
(xenDaemonDomainMigratePrepare, xenDaemonDomainSetVcpusFlags,
xenDaemonDomainGetVcpusFlags, xenDaemonAttachDeviceFlags,
xenDaemonDetachDeviceFlags): Likewise.
(xenDaemonDomainGetXMLDesc): Prefer unsigned flags.
* src/xen/xend_internal.h (xenDaemonDomainGetXMLDesc): Likewise.
* src/xen/xm_internal.h (xenXMDomainGetXMLDesc): Likewise.
* src/xen/xm_internal.c (xenXMDomainGetXMLDesc): Likewise.
(xenXMOpen, xenXMDomainGetState, xenXMDomainSetVcpusFlags)
(xenXMDomainGetVcpusFlags): Reject unknown flags.
(xenXMDomainAttachDeviceFlags, xenXMDomainDetachDeviceFlags):
Likewise, and avoid always-false conditional.
* src/xen/xen_driver.h (XEN_MIGRATION_FLAGS): New define.
---

v3: address concerns about migration and coredump flags

 src/xen/xen_driver.c     |   18 +++++++++++++++---
 src/xen/xen_driver.h     |    7 +++++++
 src/xen/xen_hypervisor.c |    8 ++++++--
 src/xen/xen_inotify.c    |    4 +++-
 src/xen/xend_internal.c  |   42 ++++++++++++++++++++++++++++++++++--------
 src/xen/xend_internal.h  |    3 ++-
 src/xen/xm_internal.c    |   33 ++++++++++++++++++++++++++-------
 src/xen/xm_internal.h    |    2 +-
 src/xen/xs_internal.c    |   12 +++++++++---
 9 files changed, 103 insertions(+), 26 deletions(-)

diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index 1d75da3..dd1ba6c 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -1261,7 +1261,7 @@ static char *
 xenUnifiedDomainXMLFromNative(virConnectPtr conn,
                               const char *format,
                               const char *config,
-                              unsigned int flags ATTRIBUTE_UNUSED)
+                              unsigned int flags)
 {
     virDomainDefPtr def = NULL;
     char *ret = NULL;
@@ -1271,6 +1271,8 @@ xenUnifiedDomainXMLFromNative(virConnectPtr conn,
     int vncport;
     GET_PRIVATE(conn);

+    virCheckFlags(0, NULL);
+
     if (STRNEQ(format, XEN_CONFIG_FORMAT_XM) &&
         STRNEQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
         xenUnifiedError(VIR_ERR_INVALID_ARG,
@@ -1311,13 +1313,15 @@ static char *
 xenUnifiedDomainXMLToNative(virConnectPtr conn,
                             const char *format,
                             const char *xmlData,
-                            unsigned int flags ATTRIBUTE_UNUSED)
+                            unsigned int flags)
 {
     virDomainDefPtr def = NULL;
     char *ret = NULL;
     virConfPtr conf = NULL;
     GET_PRIVATE(conn);

+    virCheckFlags(0, NULL);
+
     if (STRNEQ(format, XEN_CONFIG_FORMAT_XM) &&
         STRNEQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
         xenUnifiedError(VIR_ERR_INVALID_ARG,
@@ -1368,6 +1372,8 @@ xenUnifiedDomainMigratePrepare (virConnectPtr dconn,
 {
     GET_PRIVATE(dconn);

+    virCheckFlags(XEN_MIGRATION_FLAGS, -1);
+
     if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
         return xenDaemonDomainMigratePrepare (dconn, cookie, cookielen,
                                               uri_in, uri_out,
@@ -1388,6 +1394,8 @@ xenUnifiedDomainMigratePerform (virDomainPtr dom,
 {
     GET_PRIVATE(dom->conn);

+    virCheckFlags(XEN_MIGRATION_FLAGS, -1);
+
     if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
         return xenDaemonDomainMigratePerform (dom, cookie, cookielen, uri,
                                               flags, dname, resource);
@@ -1408,6 +1416,8 @@ xenUnifiedDomainMigrateFinish (virConnectPtr dconn,
     char *domain_xml = NULL;
     virDomainPtr dom_new = NULL;

+    virCheckFlags(XEN_MIGRATION_FLAGS, NULL);
+
     dom = xenUnifiedDomainLookupByName (dconn, dname);
     if (! dom) {
         return NULL;
@@ -1765,11 +1775,13 @@ xenUnifiedDomainInterfaceStats (virDomainPtr dom, const char *path,
 static int
 xenUnifiedDomainBlockPeek (virDomainPtr dom, const char *path,
                            unsigned long long offset, size_t size,
-                           void *buffer, unsigned int flags ATTRIBUTE_UNUSED)
+                           void *buffer, unsigned int flags)
 {
     int r;
     GET_PRIVATE (dom->conn);

+    virCheckFlags(0, -1);
+
     if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
         r = xenDaemonDomainBlockPeek (dom, path, offset, size, buffer);
         if (r != -2) return r;
diff --git a/src/xen/xen_driver.h b/src/xen/xen_driver.h
index 6d45f7d..a6fe475 100644
--- a/src/xen/xen_driver.h
+++ b/src/xen/xen_driver.h
@@ -63,6 +63,13 @@ extern int xenRegister (void);
 # define XEN_SCHED_SEDF_NPARAM   6
 # define XEN_SCHED_CRED_NPARAM   2

+/* The set of migration flags explicitly supported by xen.  */
+# define XEN_MIGRATION_FLAGS                    \
+    (VIR_MIGRATE_LIVE |                         \
+     VIR_MIGRATE_UNDEFINE_SOURCE |              \
+     VIR_MIGRATE_PAUSED |                       \
+     VIR_MIGRATE_PERSIST_DEST)
+
 /* _xenUnifiedDriver:
  *
  * Entry points into the underlying Xen drivers.  This structure
diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
index a92b743..543dfb1 100644
--- a/src/xen/xen_hypervisor.c
+++ b/src/xen/xen_hypervisor.c
@@ -2201,11 +2201,13 @@ xenHypervisorInit(void)
 virDrvOpenStatus
 xenHypervisorOpen(virConnectPtr conn,
                   virConnectAuthPtr auth ATTRIBUTE_UNUSED,
-                  unsigned int flags ATTRIBUTE_UNUSED)
+                  unsigned int flags)
 {
     int ret;
     xenUnifiedPrivatePtr priv = (xenUnifiedPrivatePtr) conn->privateData;

+    virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
+
     if (initialized == 0)
         if (xenHypervisorInit() == -1)
             return -1;
@@ -3272,11 +3274,13 @@ int
 xenHypervisorGetDomainState(virDomainPtr domain,
                             int *state,
                             int *reason,
-                            unsigned int flags ATTRIBUTE_UNUSED)
+                            unsigned int flags)
 {
     xenUnifiedPrivatePtr priv = domain->conn->privateData;
     virDomainInfo info;

+    virCheckFlags(0, -1);
+
     if (domain->conn == NULL)
         return -1;

diff --git a/src/xen/xen_inotify.c b/src/xen/xen_inotify.c
index 2d7207c..241dbc7 100644
--- a/src/xen/xen_inotify.c
+++ b/src/xen/xen_inotify.c
@@ -383,13 +383,15 @@ cleanup:
 virDrvOpenStatus
 xenInotifyOpen(virConnectPtr conn,
                virConnectAuthPtr auth ATTRIBUTE_UNUSED,
-               unsigned int flags ATTRIBUTE_UNUSED)
+               unsigned int flags)
 {
     DIR *dh;
     struct dirent *ent;
     char *path;
     xenUnifiedPrivatePtr priv = (xenUnifiedPrivatePtr) conn->privateData;

+    virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
+
     if (priv->configDir) {
         priv->useXenConfigCache = 1;
     } else {
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index d0679b7..dec8484 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -1323,11 +1323,13 @@ error:
 virDrvOpenStatus
 xenDaemonOpen(virConnectPtr conn,
               virConnectAuthPtr auth ATTRIBUTE_UNUSED,
-              unsigned int flags ATTRIBUTE_UNUSED)
+              unsigned int flags)
 {
     char *port = NULL;
     int ret = VIR_DRV_OPEN_ERROR;

+    virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
+
     /* Switch on the scheme, which we expect to be NULL (file),
      * "http" or "xen".
      */
@@ -1488,8 +1490,10 @@ xenDaemonDomainShutdown(virDomainPtr domain)
  * Returns 0 in case of success, -1 (with errno) in case of error.
  */
 int
-xenDaemonDomainReboot(virDomainPtr domain, unsigned int flags ATTRIBUTE_UNUSED)
+xenDaemonDomainReboot(virDomainPtr domain, unsigned int flags)
 {
+    virCheckFlags(0, -1);
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
         virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return(-1);
@@ -1629,8 +1633,10 @@ xenDaemonDomainSave(virDomainPtr domain, const char *filename)
  */
 static int
 xenDaemonDomainCoreDump(virDomainPtr domain, const char *filename,
-                        unsigned int flags ATTRIBUTE_UNUSED)
+                        unsigned int flags)
 {
+    virCheckFlags(VIR_DUMP_LIVE | VIR_DUMP_CRASH, -1);
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL) ||
         (filename == NULL)) {
         virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
@@ -1837,12 +1843,15 @@ cleanup:
  *         the caller must free() the returned value.
  */
 char *
-xenDaemonDomainGetXMLDesc(virDomainPtr domain, int flags, const char *cpus)
+xenDaemonDomainGetXMLDesc(virDomainPtr domain, unsigned int flags,
+                          const char *cpus)
 {
     xenUnifiedPrivatePtr priv;
     virDomainDefPtr def;
     char *xml;

+    /* Flags checked by virDomainDefFormat */
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
         virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return(NULL);
@@ -1921,11 +1930,13 @@ int
 xenDaemonDomainGetState(virDomainPtr domain,
                         int *state,
                         int *reason,
-                        unsigned int flags ATTRIBUTE_UNUSED)
+                        unsigned int flags)
 {
     xenUnifiedPrivatePtr priv = domain->conn->privateData;
     struct sexpr *root;

+    virCheckFlags(0, -1);
+
     if (domain->id < 0 && priv->xendConfigVersion < 3)
         return -1;

@@ -2213,6 +2224,10 @@ xenDaemonDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
     xenUnifiedPrivatePtr priv;
     int max;

+    virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+                  VIR_DOMAIN_VCPU_CONFIG |
+                  VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)
         || (vcpus < 1)) {
         virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
@@ -2364,6 +2379,10 @@ xenDaemonDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
     int ret;
     xenUnifiedPrivatePtr priv;

+    virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+                  VIR_DOMAIN_VCPU_CONFIG |
+                  VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
     if (domain == NULL || domain->conn == NULL || domain->name == NULL) {
         virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return -1;
@@ -2660,6 +2679,8 @@ xenDaemonAttachDeviceFlags(virDomainPtr domain, const char *xml,
     char class[8], ref[80];
     char *target = NULL;

+    virCheckFlags(VIR_DOMAIN_AFFECT_LIVE | VIR_DOMAIN_AFFECT_CONFIG, -1);
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
         virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return -1;
@@ -2825,8 +2846,7 @@ xenDaemonUpdateDeviceFlags(virDomainPtr domain, const char *xml,
     virBuffer buf = VIR_BUFFER_INITIALIZER;
     char class[8], ref[80];

-    virCheckFlags(VIR_DOMAIN_DEVICE_MODIFY_CURRENT |
-                  VIR_DOMAIN_DEVICE_MODIFY_LIVE |
+    virCheckFlags(VIR_DOMAIN_DEVICE_MODIFY_LIVE |
                   VIR_DOMAIN_DEVICE_MODIFY_CONFIG, -1);

     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
@@ -2940,6 +2960,8 @@ xenDaemonDetachDeviceFlags(virDomainPtr domain, const char *xml,
     char *xendev = NULL;
     virBuffer buf = VIR_BUFFER_INITIALIZER;

+    virCheckFlags(VIR_DOMAIN_AFFECT_LIVE | VIR_DOMAIN_AFFECT_CONFIG, -1);
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
         virXendError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return (-1);
@@ -3149,10 +3171,12 @@ xenDaemonDomainMigratePrepare (virConnectPtr dconn,
                                int *cookielen ATTRIBUTE_UNUSED,
                                const char *uri_in,
                                char **uri_out,
-                               unsigned long flags ATTRIBUTE_UNUSED,
+                               unsigned long flags,
                                const char *dname ATTRIBUTE_UNUSED,
                                unsigned long resource ATTRIBUTE_UNUSED)
 {
+    virCheckFlags(XEN_MIGRATION_FLAGS, -1);
+
     /* If uri_in is NULL, get the current hostname as a best guess
      * of how the source host should connect to us.  Note that caller
      * deallocates this string.
@@ -3187,6 +3211,8 @@ xenDaemonDomainMigratePerform (virDomainPtr domain,

     int undefined_source = 0;

+    virCheckFlags(XEN_MIGRATION_FLAGS, -1);
+
     /* Xen doesn't support renaming domains during migration. */
     if (dname) {
         virXendError(VIR_ERR_NO_SUPPORT,
diff --git a/src/xen/xend_internal.h b/src/xen/xend_internal.h
index 5d324da..c4ed9ba 100644
--- a/src/xen/xend_internal.h
+++ b/src/xen/xend_internal.h
@@ -115,7 +115,8 @@ int xenDaemonDomainGetState(virDomainPtr domain,
                             int *state,
                             int *reason,
                             unsigned int flags);
-char *xenDaemonDomainGetXMLDesc(virDomainPtr domain, int flags, const char *cpus);
+char *xenDaemonDomainGetXMLDesc(virDomainPtr domain, unsigned int flags,
+                                const char *cpus);
 unsigned long xenDaemonDomainGetMaxMemory(virDomainPtr domain);
 char **xenDaemonListDomainsOld(virConnectPtr xend);

diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index 68181d2..6ec295e 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -442,10 +442,12 @@ int xenXMConfigCacheRefresh (virConnectPtr conn) {
 virDrvOpenStatus
 xenXMOpen (virConnectPtr conn,
            virConnectAuthPtr auth ATTRIBUTE_UNUSED,
-           unsigned int flags ATTRIBUTE_UNUSED)
+           unsigned int flags)
 {
     xenUnifiedPrivatePtr priv = conn->privateData;

+    virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
+
     priv->configDir = XM_CONFIG_DIR;

     priv->configCache = virHashCreate(50, xenXMConfigFree);
@@ -485,8 +487,10 @@ int
 xenXMDomainGetState(virDomainPtr domain,
                     int *state,
                     int *reason,
-                    unsigned int flags ATTRIBUTE_UNUSED)
+                    unsigned int flags)
 {
+    virCheckFlags(0, -1);
+
     if (domain->id != -1)
         return -1;

@@ -543,12 +547,15 @@ error:
  * Turn a config record into a lump of XML describing the
  * domain, suitable for later feeding for virDomainCreateXML
  */
-char *xenXMDomainGetXMLDesc(virDomainPtr domain, int flags) {
+char *xenXMDomainGetXMLDesc(virDomainPtr domain, unsigned int flags)
+{
     xenUnifiedPrivatePtr priv;
     const char *filename;
     xenXMConfCachePtr entry;
     char *ret = NULL;

+    /* Flags checked by virDomainDefFormat */
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
         xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return(NULL);
@@ -714,6 +721,10 @@ xenXMDomainSetVcpusFlags(virDomainPtr domain, unsigned int vcpus,
     int ret = -1;
     int max;

+    virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+                  VIR_DOMAIN_VCPU_CONFIG |
+                  VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
         xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return -1;
@@ -794,6 +805,10 @@ xenXMDomainGetVcpusFlags(virDomainPtr domain, unsigned int flags)
     xenXMConfCachePtr entry;
     int ret = -2;

+    virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
+                  VIR_DOMAIN_VCPU_CONFIG |
+                  VIR_DOMAIN_VCPU_MAXIMUM, -1);
+
     if ((domain == NULL) || (domain->conn == NULL) || (domain->name == NULL)) {
         xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return -1;
@@ -1378,7 +1393,8 @@ cleanup:
  */
 static int
 xenXMDomainAttachDeviceFlags(virDomainPtr domain, const char *xml,
-                             unsigned int flags) {
+                             unsigned int flags)
+{
     const char *filename = NULL;
     xenXMConfCachePtr entry = NULL;
     int ret = -1;
@@ -1386,6 +1402,8 @@ xenXMDomainAttachDeviceFlags(virDomainPtr domain, const char *xml,
     virDomainDefPtr def;
     xenUnifiedPrivatePtr priv;

+    virCheckFlags(VIR_DOMAIN_AFFECT_LIVE | VIR_DOMAIN_AFFECT_CONFIG, -1);
+
     if ((!domain) || (!domain->conn) || (!domain->name) || (!xml)) {
         xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return -1;
@@ -1395,7 +1413,7 @@ xenXMDomainAttachDeviceFlags(virDomainPtr domain, const char *xml,
         return -1;

     if ((flags & VIR_DOMAIN_DEVICE_MODIFY_LIVE) ||
-        (domain->id != -1 && (flags & VIR_DOMAIN_DEVICE_MODIFY_CURRENT))) {
+        (domain->id != -1 && flags == VIR_DOMAIN_DEVICE_MODIFY_CURRENT)) {
         xenXMError(VIR_ERR_OPERATION_INVALID, "%s",
                    _("Xm driver only supports modifying persistent config"));
         return -1;
@@ -1481,17 +1499,18 @@ xenXMDomainDetachDeviceFlags(virDomainPtr domain, const char *xml,
     int i;
     xenUnifiedPrivatePtr priv;

+    virCheckFlags(VIR_DOMAIN_AFFECT_LIVE | VIR_DOMAIN_AFFECT_CONFIG, -1);
+
     if ((!domain) || (!domain->conn) || (!domain->name) || (!xml)) {
         xenXMError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return -1;
     }

-
     if (domain->conn->flags & VIR_CONNECT_RO)
         return -1;

     if ((flags & VIR_DOMAIN_DEVICE_MODIFY_LIVE) ||
-        (domain->id != -1 && (flags & VIR_DOMAIN_DEVICE_MODIFY_CURRENT))) {
+        (domain->id != -1 && flags == VIR_DOMAIN_DEVICE_MODIFY_CURRENT)) {
         xenXMError(VIR_ERR_OPERATION_INVALID, "%s",
                    _("Xm driver only supports modifying persistent config"));
         return -1;
diff --git a/src/xen/xm_internal.h b/src/xen/xm_internal.h
index cf315cd..89af23e 100644
--- a/src/xen/xm_internal.h
+++ b/src/xen/xm_internal.h
@@ -45,7 +45,7 @@ int xenXMDomainGetState(virDomainPtr domain,
                         int *state,
                         int *reason,
                         unsigned int flags);
-char *xenXMDomainGetXMLDesc(virDomainPtr domain, int flags);
+char *xenXMDomainGetXMLDesc(virDomainPtr domain, unsigned int flags);
 int xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory);
 int xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
 unsigned long xenXMDomainGetMaxMemory(virDomainPtr domain);
diff --git a/src/xen/xs_internal.c b/src/xen/xs_internal.c
index 48e450a..f62d716 100644
--- a/src/xen/xs_internal.c
+++ b/src/xen/xs_internal.c
@@ -267,10 +267,12 @@ virDomainGetVMInfo(virDomainPtr domain, const char *vm, const char *name)
 virDrvOpenStatus
 xenStoreOpen(virConnectPtr conn,
              virConnectAuthPtr auth ATTRIBUTE_UNUSED,
-             unsigned int flags ATTRIBUTE_UNUSED)
+             unsigned int flags)
 {
     xenUnifiedPrivatePtr priv = (xenUnifiedPrivatePtr) conn->privateData;

+    virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
+
     if (flags & VIR_CONNECT_RO)
         priv->xshandle = xs_daemon_open_readonly();
     else
@@ -461,10 +463,12 @@ int
 xenStoreDomainGetState(virDomainPtr domain,
                        int *state,
                        int *reason,
-                       unsigned int flags ATTRIBUTE_UNUSED)
+                       unsigned int flags)
 {
     char *running;

+    virCheckFlags(0, -1);
+
     if (domain->id == -1)
         return -1;

@@ -778,11 +782,13 @@ xenStoreDomainShutdown(virDomainPtr domain)
  * Returns 0 in case of success, -1 in case of error.
  */
 int
-xenStoreDomainReboot(virDomainPtr domain, unsigned int flags ATTRIBUTE_UNUSED)
+xenStoreDomainReboot(virDomainPtr domain, unsigned int flags)
 {
     int ret;
     xenUnifiedPrivatePtr priv;

+    virCheckFlags(0, -1);
+
     if ((domain == NULL) || (domain->conn == NULL)) {
         virXenStoreError(VIR_ERR_INVALID_ARG, __FUNCTION__);
         return(-1);
-- 
1.7.4.4


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