Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index 4a3cb0614158b5e99fb24ccbab906d641e8d56d5..b048ad8a11af1a2b1929ed074bbf3f8e6e81f856 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6879,7 +6879,12 @@ static int default_relax_domain_level = -1;
 
 static int __init setup_relax_domain_level(char *str)
 {
-       default_relax_domain_level = simple_strtoul(str, NULL, 0);
+       unsigned long val;
+
+       val = simple_strtoul(str, NULL, 0);
+       if (val < SD_LV_MAX)
+               default_relax_domain_level = val;
+
        return 1;
 }
 __setup("relax_domain_level=", setup_relax_domain_level);