diff options
| -rw-r--r-- | mm/vmscan.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 51bc4bf3f723..ac644fe85589 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3520,8 +3520,8 @@ static ssize_t write_scan_unevictable_node(struct sys_device *dev, unsigned long res; unsigned long req = strict_strtoul(buf, 10, &res); - if (!req) - return 1; /* zero is no-op */ + if (req || !res) + return 1; /* Invalid input or zero is no-op */ for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; ++zone) { if (!populated_zone(zone)) |