cgroup: fix pointer check in css_rstat_init()

In css_rstat_init() allocations are done for the cgroup's pointers
rstat_cpu and rstat_base_cpu. Make sure the allocation checks are
consistent with what they are allocating.

Signed-off-by: JP Kobryn <inwardvessel@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 4a8834a70ca66933f6a00cb5a664e5cd4877b6a9..4d5fd8d12bdd1c249b7cc8a89e18419da4e1e6a7 100644 (file)
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -371,7 +371,7 @@ int css_rstat_init(struct cgroup_subsys_state *css)
 
        if (!cgrp->rstat_base_cpu) {
                cgrp->rstat_base_cpu = alloc_percpu(struct cgroup_rstat_base_cpu);
-               if (!cgrp->rstat_cpu) {
+               if (!cgrp->rstat_base_cpu) {
                        free_percpu(cgrp->rstat_cpu);
                        return -ENOMEM;
                }