diff options
| -rw-r--r-- | drivers/isdn/mISDN/socket.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 7446d8b4282..8e325227b4c 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -457,6 +457,9 @@ static int data_sock_getsockopt(struct socket *sock, int level, int optname, if (get_user(len, optlen)) return -EFAULT; + if (len != sizeof(char)) + return -EINVAL; + switch (optname) { case MISDN_TIME_STAMP: if (_pms(sk)->cmask & MISDN_TIME_STAMP) |