bug fix

diff --git a/kernel/ckrm/ckrm_numtasks.c b/kernel/ckrm/ckrm_numtasks.c
index c058305..f3c94d5 100644 (file)
--- a/kernel/ckrm/ckrm_numtasks.c
+++ b/kernel/ckrm/ckrm_numtasks.c
@@ -304,10 +304,13 @@ recalc_and_propagate(struct ckrm_numtasks * res, struct ckrm_numtasks * parres)
        ckrm_lock_hier(res->core);
        while ((child = ckrm_get_next_child(res->core, child)) != NULL) {
                childres = ckrm_get_res_class(child, resid, struct ckrm_numtasks);
-
-               spin_lock(&childres->cnt_lock);
-               recalc_and_propagate(childres, res);
-               spin_unlock(&childres->cnt_lock);
+               if (childres) {
+                       spin_lock(&childres->cnt_lock);
+                       recalc_and_propagate(childres, res);
+                       spin_unlock(&childres->cnt_lock);
+               } else {
+                       printk(KERN_ERR "%s: numtasks resclass missing\n",__FUNCTION__);
+               }
        }
        ckrm_unlock_hier(res->core);
        return;
@@ -324,7 +327,7 @@ static int numtasks_set_share_values(void *my_res, struct ckrm_shares *new)
 
        if (res->parent) {
                parres =
-                   ckrm_get_res_class(res->parent, resid, struct ckrm_numtasks);
+                  ckrm_get_res_class(res->parent, resid, struct ckrm_numtasks);
                spin_lock(&parres->cnt_lock);
                spin_lock(&res->cnt_lock);
                par = &parres->shares;