cgroup: silence coverity warning

Coverity noted that most clients reacted to failure to hash; but in
a best-effort kill loop, we can ignore failure.

* src/util/cgroup.c (virCgroupKillInternal): Ignore hash failure.

diff --git a/src/util/cgroup.c b/src/util/cgroup.c
index 2e5ef46d3de4f7723fb8b66e9278addfb41bf7af..740cedf8cde372684e046976877c30dc838ff450 100644 (file)
--- a/src/util/cgroup.c
+++ b/src/util/cgroup.c
@@ -1395,7 +1395,7 @@ static int virCgroupKillInternal(virCgroupPtr group, int signum, virHashTablePtr
                     done = false;
                 }
 
-                virHashAddEntry(pids, (void*)pid, (void*)1);
+                ignore_value(virHashAddEntry(pids, (void*)pid, (void*)1));
             }
             VIR_FORCE_FCLOSE(fp);
         }