string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / net / sched / cls_cgroup.c

diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index cc29b44..e4877ca 100644 (file)
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -62,13 +62,7 @@ static u64 read_classid(struct cgroup *cgrp, struct cftype *cft)
 
 static int write_classid(struct cgroup *cgrp, struct cftype *cft, u64 value)
 {
-       if (!cgroup_lock_live_group(cgrp))
-               return -ENODEV;
-
        cgrp_cls_state(cgrp)->classid = (u32) value;
-
-       cgroup_unlock();
-
        return 0;
 }
 
@@ -167,6 +161,9 @@ static int cls_cgroup_change(struct tcf_proto *tp, unsigned long base,
        struct tcf_exts e;
        int err;
 
+       if (!tca[TCA_OPTIONS])
+               return -EINVAL;
+
        if (head == NULL) {
                if (!handle)
                        return -EINVAL;