svn commit: r187207 - head/sys/dev/msk

[Pyun YongHyeon]

Author: yongari
Date: Wed Jan 14 04:47:04 2009
New Revision: 187207
URL: http://svn.freebsd.org/changeset/base/187207

Log:
  Correct frame length argument of in_cksum_skip. While I'm here
  remove intermediate variable csum.
  
  Reported by:	Kim Culhan < w8hdkim <> gmail DOT com >
  Tested by:	Kim Culhan < w8hdkim <> gmail DOT com >

Modified:
  head/sys/dev/msk/if_msk.c

Modified: head/sys/dev/msk/if_msk.c
==============================================================================
--- head/sys/dev/msk/if_msk.c	Wed Jan 14 01:35:08 2009	(r187206)
+++ head/sys/dev/msk/if_msk.c	Wed Jan 14 04:47:04 2009	(r187207)
@@ -2608,17 +2608,14 @@ msk_encap(struct msk_if_softc *sc_if, st
 		 */
 		if (m->m_pkthdr.len < MSK_MIN_FRAMELEN &&
 		    (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) {
-			uint16_t csum;
-
 			m = m_pullup(m, offset + sizeof(struct tcphdr));
 			if (m == NULL) {
 				*m_head = NULL;
 				return (ENOBUFS);
 			}
-			csum = in_cksum_skip(m, ntohs(ip->ip_len) + offset -
-			    (ip->ip_hl << 2), offset);
 			*(uint16_t *)(m->m_data + offset +
-			    m->m_pkthdr.csum_data) = csum;
+			    m->m_pkthdr.csum_data) = in_cksum_skip(m,
+			    m->m_pkthdr.len, offset);
 			m->m_pkthdr.csum_flags &= ~CSUM_TCP;
 		}
 		if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {