Author: kevlo
Date: Sun Sep 11 07:24:12 2016
New Revision: 305691
URL: https://svnweb.freebsd.org/changeset/base/305691
Log:
MFC r305575:
In m_devget(), if the data fits in a packet header mbuf, check the amount
of data is less than or equal to MHLEN instead of MLEN when placing initial
small packet header at end of mbuf.
Reviewed by: glebius
Modified:
stable/11/sys/kern/uipc_mbuf.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/kern/uipc_mbuf.c
==============================================================================
--- stable/11/sys/kern/uipc_mbuf.c Sun Sep 11 01:11:47 2016
(r305690)
+++ stable/11/sys/kern/uipc_mbuf.c Sun Sep 11 07:24:12 2016
(r305691)
@@ -984,7 +984,7 @@ m_devget(char *buf, int totlen, int off,
len = MHLEN;
/* Place initial small packet/header at end of
mbuf */
- if (m && totlen + off + max_linkhdr <= MLEN) {
+ if (m && totlen + off + max_linkhdr <= MHLEN) {
m->m_data += max_linkhdr;
len -= max_linkhdr;
}
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