Date: Sun, 11 Sep 2016 07:24:13 +0000 (UTC) From: Kevin Lo <kevlo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r305691 - stable/11/sys/kern Message-ID: <201609110724.u8B7ODI1057898@repo.freebsd.org>
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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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