diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/x25/af_x25.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 22597838cc76..2f235a6cb3b1 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -1361,12 +1361,10 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) 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; } @@ -1377,11 +1375,11 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) * 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; } |