diff options
| author | Joonwoo Park <joonwoop@codeaurora.org> | 2017-06-13 10:44:55 -0700 |
|---|---|---|
| committer | Georg Veichtlbauer <georg@vware.at> | 2023-07-26 21:01:08 +0200 |
| commit | 9f52618d15b8c2461ad3ade8440a2ac1e21d203c (patch) | |
| tree | f44fb443e466034092dffab8ad638739f00f0856 | |
| parent | b755fbd9cb18e4b6755f7fe9891d8bdd21c4f65b (diff) | |
sched: energy: handle memory allocation failure
Return immediately upon memory allocation failure.
Change-Id: I30947d55f0f4abd55c51e42912a0762df57cbc1d
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
| -rw-r--r-- | kernel/sched/energy.c | 13 |
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++); |