slhc annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/slhc.c b/drivers/net/slhc.c
index 0adab70..1634697 100644
--- a/drivers/net/slhc.c
+++ b/drivers/net/slhc.c
@@ -233,6 +233,7 @@
register unsigned char *cp = new_seq;
struct iphdr *ip;
struct tcphdr *th, *oth;
+ __sum16 csum;
/*
@@ -428,7 +429,7 @@
/* Grab the cksum before we overwrite it below. Then update our
* state with this packet's header.
*/
- deltaA = ntohs(th->check);
+ csum = th->check;
memcpy(&cs->cs_ip,ip,20);
memcpy(&cs->cs_tcp,th,20);
/* We want to use the original packet as our compressed packet.
@@ -449,7 +450,8 @@
*cpp = ocp;
*cp++ = changes;
}
- cp = put16(cp,(short)deltaA); /* Write TCP checksum */
+ *(__sum16 *)cp = csum;
+ cp += 2;
/* deltaS is now the size of the change section of the compressed header */
memcpy(cp,new_seq,deltaS); /* Write list of deltas */
memcpy(cp+deltaS,icp+hlen,isize-hlen);
@@ -519,10 +521,8 @@
thp = &cs->cs_tcp;
ip = &cs->cs_ip;
- if((x = pull16(&cp)) == -1) { /* Read the TCP checksum */
- goto bad;
- }
- thp->check = htons(x);
+ thp->check = *(__sum16 *)cp;
+ cp += 2;
thp->psh = (changes & TCP_PUSH_BIT) ? 1 : 0;
/*