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[PPPoE]: move lock_sock() in pppoe_sendmsg() to the right location 

and the last one for now: Acquire the sock lock in pppoe_sendmsg()
before accessing the sock - and in particular avoid releasing the lock
even though it hasn't been acquired.

Signed-off-by: Florian Zumbiehl <florz@florz.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Zumbiehl 2007-07-30 17:49:13 -07:00 committed by David S. Miller
parent 86c1dcfc96
commit 8aeca8fea5
1 changed files with 1 additions and 2 deletions
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3
drivers/net/pppoe.c
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@ -774,6 +774,7 @@ static int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock,
struct net_device *dev;
char *start;
lock_sock(sk);
if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED)) {
error = -ENOTCONN;
goto end;
@ -784,8 +785,6 @@ static int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock,
hdr.code = 0;
hdr.sid = po->num;
lock_sock(sk);
dev = po->pppoe_dev;
error = -EMSGSIZE;