summaryrefslogtreecommitdiff
path: root/kernel/sched/energy.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/sched/energy.c')
-rw-r--r--kernel/sched/energy.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/sched/energy.c b/kernel/sched/energy.c
index 50d183b1e156..770624996f9f 100644
--- a/kernel/sched/energy.c
+++ b/kernel/sched/energy.c
@@ -91,11 +91,17 @@ void init_sched_energy_costs(void)
sge = kcalloc(1, sizeof(struct sched_group_energy),
GFP_NOWAIT);
+ if (!sge)
+ goto out;
nstates = (prop->length / sizeof(u32)) / 2;
cap_states = kcalloc(nstates,
sizeof(struct capacity_state),
GFP_NOWAIT);
+ if (!cap_states) {
+ kfree(sge);
+ goto out;
+ }
for (i = 0, val = prop->value; i < nstates; i++) {
cap_states[i].cap = be32_to_cpup(val++);
@@ -108,6 +114,8 @@ void init_sched_energy_costs(void)
prop = of_find_property(cp, "idle-cost-data", NULL);
if (!prop || !prop->value) {
pr_warn("No idle-cost data, skipping sched_energy init\n");
+ kfree(sge);
+ kfree(cap_states);
goto out;
}
@@ -115,6 +123,11 @@ void init_sched_energy_costs(void)
idle_states = kcalloc(nstates,
sizeof(struct idle_state),
GFP_NOWAIT);
+ if (!idle_states) {
+ kfree(sge);
+ kfree(cap_states);
+ goto out;
+ }
for (i = 0, val = prop->value; i < nstates; i++)
idle_states[i].power = be32_to_cpup(val++);