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[src/trunk]: src/sys/dev/ic - If if_initialize() failed in athn_attach(), fre...



details:   https://anonhg.NetBSD.org/src/rev/f9cf1e4e6c0f
branches:  trunk
changeset: 357008:f9cf1e4e6c0f
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Mon Oct 23 09:25:11 2017 +0000

description:
- If if_initialize() failed in athn_attach(), free resources and return.
- Add missing pmf_event_deregister() in athn_detach().

diffstat:

 sys/dev/ic/athn.c |  18 +++++++++++++++---
 1 files changed, 15 insertions(+), 3 deletions(-)

diffs (46 lines):

diff -r 71911687073d -r f9cf1e4e6c0f sys/dev/ic/athn.c
--- a/sys/dev/ic/athn.c Mon Oct 23 09:24:34 2017 +0000
+++ b/sys/dev/ic/athn.c Mon Oct 23 09:25:11 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: athn.c,v 1.16 2017/04/11 17:27:54 jmcneill Exp $       */
+/*     $NetBSD: athn.c,v 1.17 2017/10/23 09:25:11 msaitoh Exp $        */
 /*     $OpenBSD: athn.c,v 1.83 2014/07/22 13:12:11 mpi Exp $   */
 
 /*-
@@ -23,7 +23,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: athn.c,v 1.16 2017/04/11 17:27:54 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: athn.c,v 1.17 2017/10/23 09:25:11 msaitoh Exp $");
 
 #ifndef _MODULE
 #include "athn_usb.h"          /* for NATHN_USB */
@@ -349,7 +349,16 @@
        IFQ_SET_READY(&ifp->if_snd);
        memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ);
 
-       if_initialize(ifp);
+       error = if_initialize(ifp);
+       if (error != 0) {
+               aprint_error_dev(sc->sc_dev, "if_initialize failed(%d)\n",
+                   error);
+               pmf_event_deregister(sc->sc_dev, PMFE_RADIO_OFF,
+                   athn_pmf_wlan_off, false);
+               callout_destroy(&sc->sc_scan_to);
+               callout_destroy(&sc->sc_calib_to);
+               return error;
+       }
        ieee80211_ifattach(ic);
        /* Use common softint-based if_input */
        ifp->if_percpuq = if_percpuq_create(ifp);
@@ -412,6 +421,9 @@
 
        callout_destroy(&sc->sc_scan_to);
        callout_destroy(&sc->sc_calib_to);
+
+       pmf_event_deregister(sc->sc_dev, PMFE_RADIO_OFF, athn_pmf_wlan_off,
+           false);
 }
 
 /*



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