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[src/trunk]: src/sys/dev/pci fix: rxq->rxq_lock is uninitialized if NET_MPSAF...



details:   https://anonhg.NetBSD.org/src/rev/bc1c4b111099
branches:  trunk
changeset: 816040:bc1c4b111099
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Tue Jun 14 17:09:20 2016 +0000

description:
fix: rxq->rxq_lock is uninitialized if NET_MPSAFE is not defined.

diffstat:

 sys/dev/pci/if_wm.c |  9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

diffs (31 lines):

diff -r 671fdb6ecb75 -r bc1c4b111099 sys/dev/pci/if_wm.c
--- a/sys/dev/pci/if_wm.c       Tue Jun 14 13:26:45 2016 +0000
+++ b/sys/dev/pci/if_wm.c       Tue Jun 14 17:09:20 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wm.c,v 1.413 2016/06/14 09:07:22 skrll Exp $        */
+/*     $NetBSD: if_wm.c,v 1.414 2016/06/14 17:09:20 knakahara Exp $    */
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -85,7 +85,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.413 2016/06/14 09:07:22 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.414 2016/06/14 17:09:20 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -5562,11 +5562,8 @@
        for (i = 0; i < sc->sc_nqueues; i++) {
                struct wm_rxqueue *rxq = &sc->sc_queue[i].wmq_rxq;
                rxq->rxq_sc = sc;
-#ifdef WM_MPSAFE
                rxq->rxq_lock = mutex_obj_alloc(MUTEX_DEFAULT, IPL_NET);
-#else
-               rxq->rxq_lock = NULL;
-#endif
+
                error = wm_alloc_rx_descs(sc, rxq);
                if (error)
                        break;



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