X25: remove bkl in inq and outq ioctls
authorandrew hendry <andrew.hendry@gmail.com>
Thu, 18 Nov 2010 13:21:28 +0000 (13:21 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 19 Nov 2010 20:40:01 +0000 (12:40 -0800)
Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/x25/af_x25.c

index 2259783..2f235a6 100644 (file)
@@ -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;
                }