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authorMyungho Jung <mhjungk@gmail.com>2017-04-19 15:24:50 -0700
committerThomas Gleixner <tglx@linutronix.de>2017-04-20 14:56:59 +0200
commitb94bf594cf8ed67cdd0439e70fa939783471597a (patch)
tree28be9110b8e4ab6f100813b39dd579689b3195cb /kernel/time
parenteb64522100a1d4adc89bce11b935a30c4401e234 (diff)
timer/sysclt: Restrict timer migration sysctl values to 0 and 1
timer_migration sysctl acts as a boolean switch, so the allowed values should be restricted to 0 and 1. Add the necessary extra fields to the sysctl table entry to enforce that. [ tglx: Rewrote changelog ] Signed-off-by: Myungho Jung <mhjungk@gmail.com> Link: http://lkml.kernel.org/r/1492640690-3550-1-git-send-email-mhjungk@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/timer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 1dc0256bfb6e..cc6b6bdd1329 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -241,7 +241,7 @@ int timer_migration_handler(struct ctl_table *table, int write,
int ret;
mutex_lock(&mutex);
- ret = proc_dointvec(table, write, buffer, lenp, ppos);
+ ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
if (!ret && write)
timers_update_migration(false);
mutex_unlock(&mutex);