[libvirt] [PATCH v2 RESEND 16/17] conf: Add return value check to virResctrlAllocForeachCache

[bing.niu at intel.com]

From: Bing Niu <bing.niu at intel.com>

Add return value check to virResctrlAllocForeachCache in
virDomainCachetuneDefFormat. The virResctrlAllocForeachCache dose have
return value, so need check return value to make sure function executed
without error.

Signed-off-by: Bing Niu <bing.niu at intel.com>
---
 src/conf/domain_conf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index d8333ad..095c903 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -27199,10 +27199,10 @@ virDomainCachetuneDefFormat(virBufferPtr buf,
     int ret = -1;
 
     virBufferSetChildIndent(&childrenBuf, buf);
-    virResctrlAllocForeachCache(resctrl->alloc,
-                                virDomainCachetuneDefFormatHelper,
-                                &childrenBuf);
-
+    if (virResctrlAllocForeachCache(resctrl->alloc,
+                                    virDomainCachetuneDefFormatHelper,
+                                    &childrenBuf) < 0)
+        goto cleanup;
 
     if (virBufferCheckError(&childrenBuf) < 0)
         goto cleanup;
-- 
2.7.4