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authorDavid S. Miller <davem@davemloft.net>2009-09-30 16:12:20 -0700
committerDavid S. Miller <davem@davemloft.net>2009-09-30 16:12:20 -0700
commitb7058842c940ad2c08dd829b21e5c92ebe3b8758 (patch)
tree5fe78d599fc345ca0bcd4b083b79095a54b2921b /net/tipc
parenteb1cf0f8f7a9e5a6d573d5bd72c015686a042db0 (diff)
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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 <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
-rw-r--r--net/tipc/socket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index e8254e809b79..e6d9abf7440e 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1658,7 +1658,7 @@ restart:
*/
static int setsockopt(struct socket *sock,
- int lvl, int opt, char __user *ov, int ol)
+ int lvl, int opt, char __user *ov, unsigned int ol)
{
struct sock *sk = sock->sk;
struct tipc_port *tport = tipc_sk_port(sk);
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