diff options
| author | Jon Medhurst <tixy@linaro.org> | 2016-06-01 16:33:55 +0100 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2016-11-21 15:49:32 +0000 |
| commit | 8523f080d500f5784699322115c593f95783fd2b (patch) | |
| tree | 5ababb4a997f280987cce3a5df141452bd9c1e77 | |
| parent | 41e58098703b24e33f8372f82a65bb0f82ecf14a (diff) | |
sched/tune: Avoid null pointer dereference in schedtune_add_cluster_nrg
A CPU's scheduler domain doesn't always have a parent e.g. if we only
have one cluster present or enabled in the system.
| -rw-r--r-- | kernel/sched/tune.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/tune.c b/kernel/sched/tune.c index 505d7b35b0e1..97e9f48b093f 100644 --- a/kernel/sched/tune.c +++ b/kernel/sched/tune.c @@ -878,7 +878,7 @@ schedtune_add_cluster_nrg( * Assume we have EM data only at the CPU and * the upper CLUSTER level */ - BUG_ON(!cpumask_equal( + BUG_ON(sd2->parent && !cpumask_equal( sched_group_cpus(sg), sched_group_cpus(sd2->parent->groups) )); |