diff options
Diffstat (limited to 'net/netrom/af_netrom.c')
| -rw-r--r-- | net/netrom/af_netrom.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 732152f718e0..7dab229bfbcc 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -306,26 +306,26 @@ static int nr_setsockopt(struct socket *sock, int level, int optname, { struct sock *sk = sock->sk; struct nr_sock *nr = nr_sk(sk); - int opt; + unsigned long opt; if (level != SOL_NETROM) return -ENOPROTOOPT; - if (optlen < sizeof(int)) + if (optlen < sizeof(unsigned int)) return -EINVAL; - if (get_user(opt, (int __user *)optval)) + if (get_user(opt, (unsigned int __user *)optval)) return -EFAULT; switch (optname) { case NETROM_T1: - if (opt < 1) + if (opt < 1 || opt > ULONG_MAX / HZ) return -EINVAL; nr->t1 = opt * HZ; return 0; case NETROM_T2: - if (opt < 1) + if (opt < 1 || opt > ULONG_MAX / HZ) return -EINVAL; nr->t2 = opt * HZ; return 0; @@ -337,13 +337,13 @@ static int nr_setsockopt(struct socket *sock, int level, int optname, return 0; case NETROM_T4: - if (opt < 1) + if (opt < 1 || opt > ULONG_MAX / HZ) return -EINVAL; nr->t4 = opt * HZ; return 0; case NETROM_IDLE: - if (opt < 0) + if (opt > ULONG_MAX / (60 * HZ)) return -EINVAL; nr->idle = opt * 60 * HZ; return 0; @@ -1244,7 +1244,8 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) case SIOCADDRT: case SIOCDELRT: case SIOCNRDECOBS: - if (!capable(CAP_NET_ADMIN)) return -EPERM; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; return nr_rt_ioctl(cmd, argp); default: |