svn commit: r264447 - stable/9/sys/dev/ale

[Pyun YongHyeon]

Author: yongari
Date: Mon Apr 14 05:05:07 2014
New Revision: 264447
URL: http://svnweb.freebsd.org/changeset/base/264447

Log:
  MFC r260429:
    m_defrag(9) does not touch original mbuf chain when it can't
    allocate new mbuf.  Free original mbuf chain when driver is not
    able to send the packet.

Modified:
  stable/9/sys/dev/ale/if_ale.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/dev/   (props changed)

Modified: stable/9/sys/dev/ale/if_ale.c
==============================================================================
--- stable/9/sys/dev/ale/if_ale.c	Mon Apr 14 05:04:23 2014	(r264446)
+++ stable/9/sys/dev/ale/if_ale.c	Mon Apr 14 05:05:07 2014	(r264447)
@@ -1659,6 +1659,7 @@ ale_encap(struct ale_softc *sc, struct m
 		    (mtod(m, intptr_t) & 3) != 0) {
 			m = m_defrag(*m_head, M_NOWAIT);
 			if (m == NULL) {
+				m_freem(*m_head);
 				*m_head = NULL;
 				return (ENOBUFS);
 			}