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authorOtavio Salvador <otavio@ossystems.com.br>2019-07-15 11:15:02 -0300
committerGitHub <noreply@github.com>2019-07-15 11:15:02 -0300
commit6b774eec1f9d3064e9b33634dfa99d5666d0a73a (patch)
tree64fa879c312d6a52f90e6dbf3f7be2d66de3ddd4 /kernel/sched/rt.c
parent774f42075a4800fe4106dffca804e3207bc3c2e7 (diff)
parent286d8c46ed06d5fc1b8c212356a11a19b2c94bc4 (diff)
Merge pull request #50 from MaxKrummenacher/4.14-2.0.x-imx
4.14 2.0.x imx
Diffstat (limited to 'kernel/sched/rt.c')
-rw-r--r--kernel/sched/rt.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index cb9a5b8532fa..cc7dd1aaf08e 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2533,6 +2533,8 @@ int sched_group_set_rt_runtime(struct task_group *tg, long rt_runtime_us)
rt_runtime = (u64)rt_runtime_us * NSEC_PER_USEC;
if (rt_runtime_us < 0)
rt_runtime = RUNTIME_INF;
+ else if ((u64)rt_runtime_us > U64_MAX / NSEC_PER_USEC)
+ return -EINVAL;
return tg_set_rt_bandwidth(tg, rt_period, rt_runtime);
}
@@ -2553,6 +2555,9 @@ int sched_group_set_rt_period(struct task_group *tg, u64 rt_period_us)
{
u64 rt_runtime, rt_period;
+ if (rt_period_us > U64_MAX / NSEC_PER_USEC)
+ return -EINVAL;
+
rt_period = rt_period_us * NSEC_PER_USEC;
rt_runtime = tg->rt_bandwidth.rt_runtime;