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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/ieee802154/dgram.c
View file

@ -414,7 +414,7 @@ static int dgram_getsockopt(struct sock *sk, int level, int optname,
}
static int dgram_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
char __user *optval, unsigned int optlen)
{
struct dgram_sock *ro = dgram_sk(sk);
int val;

2
net/ieee802154/raw.c
View file

@ -244,7 +244,7 @@ static int raw_getsockopt(struct sock *sk, int level, int optname,
}
static int raw_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
char __user *optval, unsigned int optlen)
{
return -EOPNOTSUPP;
}