commit 3f0a069a1d5c0ccace735e3a62c1bcef53e4c354
author andrew hendry <andrew.hendry@gmail.com> Thu Nov 25 02:18:45 2010 +0000
committer David S. Miller <davem@davemloft.net> Sun Nov 28 11:12:22 2010 -0800
tree 13d1f2bcaf11cb933d35eee19de3d90dc82b5833
parent 74a7e440807d34e586e9feb8e14851b5c80fbfe5

X25 remove bkl in call user data length ioctl

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

net/x25/af_x25.c

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 8cfc419..ad96ee9 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1562,19 +1562,20 @@
 		case SIOCX25SCUDMATCHLEN: {
 			struct x25_subaddr sub_addr;
 			rc = -EINVAL;
-			lock_kernel();
+			lock_sock(sk);
 			if(sk->sk_state != TCP_CLOSE)
-				break;
+				goto out_cud_release;
 			rc = -EFAULT;
 			if (copy_from_user(&sub_addr, argp,
 					sizeof(sub_addr)))
-				break;
+				goto out_cud_release;
 			rc = -EINVAL;
 			if(sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
-				break;
+				goto out_cud_release;
 			x25->cudmatchlength = sub_addr.cudmatchlength;
-			unlock_kernel();
 			rc = 0;
+out_cud_release:
+			release_sock(sk);
 			break;
 		}