diff options
| author |   Al Viro <viro@zeniv.linux.org.uk> | 2006-11-14 21:42:26 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2006-12-02 21:23:40 -0800 |
| commit | 5c78f275e696a25a9919671aa8aa3d0a3d967978 (patch) | |
| tree | 5bc47f99809697150ca2a2c98a9618f28255a869 /include/net/ip.h | |
| parent | [NET]: Make mangling a checksum (0 -> 0xffff on the wire) explicit. (diff) | |
| download | linux-dev-5c78f275e696a25a9919671aa8aa3d0a3d967978.tar.xz linux-dev-5c78f275e696a25a9919671aa8aa3d0a3d967978.zip | |
[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>
Diffstat (limited to '')
| -rw-r--r-- | include/net/ip.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index eafbcaf728fd..83cb9ac5554e 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -192,9 +192,9 @@ extern void ipfrag_init(void); static inline int ip_decrease_ttl(struct iphdr *iph) { - u32 check = iph->check; - check += htons(0x0100); - iph->check = check + (check>=0xFFFF); + u32 check = (__force u32)iph->check; + check += (__force u32)htons(0x0100); + iph->check = (__force __sum16)(check + (check>=0xFFFF)); return --iph->ttl; } |