From: andrew hendry <andrew.hendry@gmail.com>
Date: Thu, 18 Nov 2010 13:21:28 +0000 (+0000)
Subject: X25: remove bkl in inq and outq ioctls
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=54aafbd4989a684ca876e49bf3e6eb931654dc02;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

X25: remove bkl in inq and outq ioctls

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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;
 		}