virsh-domain-monitor: Resolve Coverity issues

Recent changes uncovered a pair of NEGATIVE_RETURNS when processing the
'nnames' in 'vshDomainListCollect' in the for loop due to possible -1 value.

diff --git a/tools/virsh-domain-monitor.c b/tools/virsh-domain-monitor.c
index 7af765e8ece336c8e8814b3bd45ace502b46da6d..5fbd32c16461bdc02db0ad88997fa6f84aa95130 100644 (file)
--- a/tools/virsh-domain-monitor.c
+++ b/tools/virsh-domain-monitor.c
@@ -1599,7 +1599,7 @@ finished:
     success = true;
 
 cleanup:
-    for (i = 0; i < nnames; i++)
+    for (i = 0; nnames != -1 && i < nnames; i++)
         VIR_FREE(names[i]);
 
     if (!success) {