From f6e623a65cb301088bd04794043e82bfc996c512 Mon Sep 17 00:00:00 2001
From: Johann Felix Soden <johfel@users.sourceforge.net>
Date: Mon, 15 Feb 2010 22:23:48 +0100
Subject: Bluetooth: Fix out of scope variable access in hci_sock_cmsg()

The pointer data can point to the variable ctv.
Access to data happens when ctv is already out of scope.

Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 688cfeb..38f08f6 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -329,6 +329,9 @@ static inline void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_
 	}
 
 	if (mask & HCI_CMSG_TSTAMP) {
+#ifdef CONFIG_COMPAT
+		struct compat_timeval ctv;
+#endif
 		struct timeval tv;
 		void *data;
 		int len;
@@ -339,7 +342,6 @@ static inline void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_
 		len = sizeof(tv);
 #ifdef CONFIG_COMPAT
 		if (msg->msg_flags & MSG_CMSG_COMPAT) {
-			struct compat_timeval ctv;
 			ctv.tv_sec = tv.tv_sec;
 			ctv.tv_usec = tv.tv_usec;
 			data = &ctv;
-- 
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