diff options
| -rw-r--r-- | fs/btrfs/sysfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index e6b51fb3ddc1..84c05246ffd8 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -1783,6 +1783,10 @@ static ssize_t btrfs_devinfo_scrub_speed_max_store(struct kobject *kobj, unsigned long long limit; limit = memparse(buf, &endptr); + /* There could be trailing '\n', also catch any typos after the value. */ + endptr = skip_spaces(endptr); + if (*endptr != 0) + return -EINVAL; WRITE_ONCE(device->scrub_speed_max, limit); return len; } |