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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 /include/net/sctp
parenteb1cf0f8f7a9e5a6d573d5bd72c015686a042db0 (diff)
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 'include/net/sctp')
-rw-r--r--include/net/sctp/structs.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 42d00ced5eb..6e5f0e0c796 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -544,7 +544,7 @@ struct sctp_af {
int level,
int optname,
char __user *optval,
- int optlen);
+ unsigned int optlen);
int (*getsockopt) (struct sock *sk,
int level,
int optname,
@@ -554,7 +554,7 @@ struct sctp_af {
int level,
int optname,
char __user *optval,
- int optlen);
+ unsigned int optlen);
int (*compat_getsockopt) (struct sock *sk,
int level,
int optname,