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net: Make setsockopt() optlen be unsigned.

Browse source 
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 <[email protected]>
This commit is contained in:
David S. Miller 2009-09-30 16:12:20 -07:00
commit b7058842c9
67 changed files with 149 additions and 153 deletions
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2
net/rds/af_rds.c
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@ -248,7 +248,7 @@ static int rds_cong_monitor(struct rds_sock *rs, char __user *optval,
}
static int rds_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, int optlen)
char __user *optval, unsigned int optlen)
{
struct rds_sock *rs = rds_sk_to_rs(sock->sk);
int ret;