[NET]: IP header modifier helpers annotations.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index cadc0ea..10117c8 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -53,7 +53,7 @@
static inline int IP_ECN_set_ce(struct iphdr *iph)
{
- u32 check = iph->check;
+ u32 check = (__force u32)iph->check;
u32 ecn = (iph->tos + 1) & INET_ECN_MASK;
/*
@@ -71,9 +71,9 @@
* INET_ECN_ECT_1 => check += htons(0xFFFD)
* INET_ECN_ECT_0 => check += htons(0xFFFE)
*/
- check += htons(0xFFFB) + htons(ecn);
+ check += (__force u16)htons(0xFFFB) + (__force u16)htons(ecn);
- iph->check = check + (check>=0xFFFF);
+ iph->check = (__force __sum16)(check + (check>=0xFFFF));
iph->tos |= INET_ECN_CE;
return 1;
}