[src/trunk]: src/sys/arch/arm/imx Fix memory leak (Brainy)

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b02829d8dc16
branches:  trunk
changeset: 337790:b02829d8dc16
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Apr 27 17:34:51 2015 +0000

description:
Fix memory leak (Brainy)

diffstat:

 sys/arch/arm/imx/if_enet.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r a3d0b0b88b6f -r b02829d8dc16 sys/arch/arm/imx/if_enet.c
--- a/sys/arch/arm/imx/if_enet.c        Mon Apr 27 17:05:58 2015 +0000
+++ b/sys/arch/arm/imx/if_enet.c        Mon Apr 27 17:34:51 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_enet.c,v 1.3 2015/04/13 21:18:41 riastradh Exp $    */
+/*     $NetBSD: if_enet.c,v 1.4 2015/04/27 17:34:51 christos Exp $     */
 
 /*
  * Copyright (c) 2014 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_enet.c,v 1.3 2015/04/13 21:18:41 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_enet.c,v 1.4 2015/04/27 17:34:51 christos Exp $");
 
 #include "imxocotp.h"
 #include "imxccm.h"
@@ -1413,8 +1413,10 @@
        error = bus_dmamap_load(sc->sc_dmat, sc->sc_rxsoft[idx].rxs_dmamap,
            m->m_ext.ext_buf, m->m_ext.ext_size, NULL,
            BUS_DMA_READ | BUS_DMA_NOWAIT);
-       if (error)
+       if (error) {
+               m_freem(m);
                return error;
+       }
 
        bus_dmamap_sync(sc->sc_dmat, sc->sc_rxsoft[idx].rxs_dmamap, 0,
            sc->sc_rxsoft[idx].rxs_dmamap->dm_mapsize,