Author: eadler
Date: Mon Mar  5 08:01:08 2018
New Revision: 330454
URL: https://svnweb.freebsd.org/changeset/base/330454

Log:
  MFC r313306:
  
  [iwm] free node reference if rxparams addition fails.

Modified:
  stable/11/sys/dev/iwm/if_iwm.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/iwm/if_iwm.c
==============================================================================
--- stable/11/sys/dev/iwm/if_iwm.c      Mon Mar  5 08:00:17 2018        
(r330453)
+++ stable/11/sys/dev/iwm/if_iwm.c      Mon Mar  5 08:01:08 2018        
(r330454)
@@ -3261,8 +3261,11 @@ iwm_mvm_rx_rx_mpdu(struct iwm_softc *sc, struct mbuf *
        /* rssi is in 1/2db units */
        rxs.c_rssi = rssi * 2;
        rxs.c_nf = sc->sc_noise;
-       if (ieee80211_add_rx_params(m, &rxs) == 0)
+       if (ieee80211_add_rx_params(m, &rxs) == 0) {
+               if (ni)
+                       ieee80211_free_node(ni);
                goto fail;
+       }
 
        if (ieee80211_radiotap_active_vap(vap)) {
                struct iwm_rx_radiotap_header *tap = &sc->sc_rxtap;
@@ -3309,7 +3312,8 @@ iwm_mvm_rx_rx_mpdu(struct iwm_softc *sc, struct mbuf *
 
        return TRUE;
 
-fail:  counter_u64_add(ic->ic_ierrors, 1);
+fail:
+       counter_u64_add(ic->ic_ierrors, 1);
        return FALSE;
 }
 
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