1 files changed, 5 insertions, 6 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c
index d41746a572a2..27c4e28f795f 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -874,12 +874,11 @@ static ssize_t vma_ra_enabled_store(struct kobject *kobj,
 				      struct kobj_attribute *attr,
 				      const char *buf, size_t count)
 {
-	if (!strncmp(buf, "true", 4) || !strncmp(buf, "1", 1))
-		enable_vma_readahead = true;
-	else if (!strncmp(buf, "false", 5) || !strncmp(buf, "0", 1))
-		enable_vma_readahead = false;
-	else
-		return -EINVAL;
+	ssize_t ret;
+
+	ret = kstrtobool(buf, &enable_vma_readahead);
+	if (ret)
+		return ret;
 
 	return count;
 }