Author: mav
Date: Mon Feb 13 20:36:28 2017
New Revision: 313707
URL: https://svnweb.freebsd.org/changeset/base/313707
Log:
Remove M_PKTHDR from m_getm2() in icl_pdu_append_data().
ip_data_mbuf is always appended to ip_bhs_mbuf, so it does not need own
packet header. This change first avoids allocation/initialization of the
header, and then avoids dropping one when it later gets to socket buffer.
MFC after: 2 weeks
Modified:
head/sys/dev/iscsi/icl_soft.c
Modified: head/sys/dev/iscsi/icl_soft.c
==============================================================================
--- head/sys/dev/iscsi/icl_soft.c Mon Feb 13 20:13:29 2017
(r313706)
+++ head/sys/dev/iscsi/icl_soft.c Mon Feb 13 20:36:28 2017
(r313707)
@@ -1087,7 +1087,7 @@ icl_pdu_append_data(struct icl_pdu *requ
KASSERT(len > 0, ("len == 0"));
- newmb = m_getm2(NULL, len, flags, MT_DATA, M_PKTHDR);
+ newmb = m_getm2(NULL, len, flags, MT_DATA, 0);
if (newmb == NULL) {
ICL_WARN("failed to allocate mbuf for %zd bytes", len);
return (ENOMEM);
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