From b94bf594cf8ed67cdd0439e70fa939783471597a Mon Sep 17 00:00:00 2001 From: Myungho Jung Date: Wed, 19 Apr 2017 15:24:50 -0700 Subject: 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 Link: http://lkml.kernel.org/r/1492640690-3550-1-git-send-email-mhjungk@gmail.com Signed-off-by: Thomas Gleixner --- kernel/time/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/time/timer.c') 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); -- cgit