diff options
| -rw-r--r-- | arch/s390/kernel/ipl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index eb3fd130ee81..f78c40e2b631 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -266,7 +266,11 @@ static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \ struct kobj_attribute *attr, \ const char *buf, size_t len) \ { \ - strscpy(_value, buf, sizeof(_value)); \ + if (len >= sizeof(_value)) \ + return -E2BIG; \ + len = strscpy(_value, buf, sizeof(_value)); \ + if (len < 0) \ + return len; \ strim(_value); \ return len; \ } \ |