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 --- drivers/isdn/mISDN/socket.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/isdn') diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index c36f5213745..feb0fa45b66 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -415,7 +415,7 @@ data_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) } static int data_sock_setsockopt(struct socket *sock, int level, int optname, - char __user *optval, int len) + char __user *optval, unsigned int len) { struct sock *sk = sock->sk; int err = 0, opt = 0; -- cgit v1.2.3