[PATCH v4 03/12] mm/kasan/sw_tags: don't initialize kasan if it's disabled

[Baoquan He]

Signed-off-by: Baoquan He <bhe at redhat.com>
---
 mm/kasan/sw_tags.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c
index 6c1caec4261a..58edb68efc09 100644
--- a/mm/kasan/sw_tags.c
+++ b/mm/kasan/sw_tags.c
@@ -40,6 +40,9 @@ void __init kasan_init_sw_tags(void)
 {
 	int cpu;
 
+	if (kasan_arg_disabled)
+		return;
+
 	for_each_possible_cpu(cpu)
 		per_cpu(prng_state, cpu) = (u32)get_cycles();
 
-- 
2.41.0