From b7058842c940ad2c08dd829b21e5c92ebe3b8758 Mon Sep 17 00:00:00 2001 From: David S. Miller Date: Wed, 30 Sep 2009 16:12:20 -0700 Subject: net: Make setsockopt() optlen be unsigned. This provides safety against negative optlen at the type level instead of depending upon (sometimes non-trivial) checks against this sprinkled all over the the place, in each and every implementation. Based upon work done by Arjan van de Ven and feedback from Linus Torvalds. Signed-off-by: David S. Miller --- net/irda/af_irda.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/irda/af_irda.c') diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 50b43c57d5d8..dd35641835f4 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1826,7 +1826,7 @@ static int irda_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned lon * */ static int irda_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int optlen) + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct irda_sock *self = irda_sk(sk); -- cgit v1.2.3-55-g7522