summaryrefslogtreecommitdiff
path: root/net/sctp/output.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sctp/output.c')
-rw-r--r--net/sctp/output.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 319137340d15..e650978daf27 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -390,7 +390,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
__u8 has_data = 0;
struct dst_entry *dst = tp->dst;
unsigned char *auth = NULL; /* pointer to auth in skb data */
- __u32 cksum_buf_len = sizeof(struct sctphdr);
pr_debug("%s: packet:%p\n", __func__, packet);
@@ -493,7 +492,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
if (chunk == packet->auth)
auth = skb_tail_pointer(nskb);
- cksum_buf_len += chunk->skb->len;
memcpy(skb_put(nskb, chunk->skb->len),
chunk->skb->data, chunk->skb->len);
@@ -538,12 +536,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
if (!sctp_checksum_disable) {
if (!(dst->dev->features & NETIF_F_SCTP_CSUM) ||
(dst_xfrm(dst) != NULL) || packet->ipfragok) {
- __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
-
- /* 3) Put the resultant value into the checksum field in the
- * common header, and leave the rest of the bits unchanged.
- */
- sh->checksum = sctp_end_cksum(crc32);
+ sh->checksum = sctp_compute_cksum(nskb, 0);
} else {
/* no need to seed pseudo checksum for SCTP */
nskb->ip_summed = CHECKSUM_PARTIAL;