case TIOCOUTQ: {
int amount;
- lock_kernel();
amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
rc = put_user(amount, (unsigned int __user *)argp);
- unlock_kernel();
break;
}
* These two are safe on a single CPU system as
* only user tasks fiddle here
*/
- lock_kernel();
+ lock_sock(sk);
if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
amount = skb->len;
+ release_sock(sk);
rc = put_user(amount, (unsigned int __user *)argp);
- unlock_kernel();
break;
}
case SIOCGSTAMP:
rc = -EINVAL;
- lock_kernel();
if (sk)
rc = sock_get_timestamp(sk,
(struct timeval __user *)argp);
- unlock_kernel();
break;
case SIOCGSTAMPNS:
rc = -EINVAL;
- lock_kernel();
if (sk)
rc = sock_get_timestampns(sk,
(struct timespec __user *)argp);
- unlock_kernel();
break;
case SIOCGIFADDR:
case SIOCSIFADDR:
break;
case SIOCGSTAMP:
rc = -EINVAL;
- lock_kernel();
if (sk)
rc = compat_sock_get_timestamp(sk,
(struct timeval __user*)argp);
- unlock_kernel();
break;
case SIOCGSTAMPNS:
rc = -EINVAL;
- lock_kernel();
if (sk)
rc = compat_sock_get_timestampns(sk,
(struct timespec __user*)argp);
- unlock_kernel();
break;
case SIOCGIFADDR:
case SIOCSIFADDR: