diff options
Diffstat (limited to 'drivers/s390/char')
| -rw-r--r-- | drivers/s390/char/sclp_async.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c index 740fe405c395..f449c696e503 100644 --- a/drivers/s390/char/sclp_async.c +++ b/drivers/s390/char/sclp_async.c | |||
| @@ -84,6 +84,7 @@ static int proc_handler_callhome(struct ctl_table *ctl, int write, | |||
| 84 | rc = copy_from_user(buf, buffer, sizeof(buf)); | 84 | rc = copy_from_user(buf, buffer, sizeof(buf)); |
| 85 | if (rc != 0) | 85 | if (rc != 0) |
| 86 | return -EFAULT; | 86 | return -EFAULT; |
| 87 | buf[len - 1] = '\0'; | ||
| 87 | if (strict_strtoul(buf, 0, &val) != 0) | 88 | if (strict_strtoul(buf, 0, &val) != 0) |
| 88 | return -EINVAL; | 89 | return -EINVAL; |
| 89 | if (val != 0 && val != 1) | 90 | if (val != 0 && val != 1) |