Author: hselasky
Date: Wed Dec  4 12:07:46 2013
New Revision: 258919
URL: http://svnweb.freebsd.org/changeset/base/258919

Log:
  Fix external compiler warning(s). Avoid pointer dereferencing.

Modified:
  head/sys/dev/usb/wlan/if_rsu.c
  head/sys/dev/usb/wlan/if_rum.c
  head/sys/dev/usb/wlan/if_run.c
  head/sys/dev/usb/wlan/if_ural.c
  head/sys/dev/usb/wlan/if_urtw.c

Modified: head/sys/dev/usb/wlan/if_rsu.c
==============================================================================
--- head/sys/dev/usb/wlan/if_rsu.c      Wed Dec  4 10:54:23 2013        
(r258918)
+++ head/sys/dev/usb/wlan/if_rsu.c      Wed Dec  4 12:07:46 2013        
(r258919)
@@ -1159,7 +1159,7 @@ rsu_event_survey(struct rsu_softc *sc, u
        wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
            IEEE80211_FC0_SUBTYPE_BEACON;
        wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
-       *(uint16_t *)wh->i_dur = 0;
+       USETW(wh->i_dur, 0);
        IEEE80211_ADDR_COPY(wh->i_addr1, ifp->if_broadcastaddr);
        IEEE80211_ADDR_COPY(wh->i_addr2, bss->macaddr);
        IEEE80211_ADDR_COPY(wh->i_addr3, bss->macaddr);

Modified: head/sys/dev/usb/wlan/if_rum.c
==============================================================================
--- head/sys/dev/usb/wlan/if_rum.c      Wed Dec  4 10:54:23 2013        
(r258918)
+++ head/sys/dev/usb/wlan/if_rum.c      Wed Dec  4 12:07:46 2013        
(r258919)
@@ -1137,7 +1137,7 @@ rum_tx_mgt(struct rum_softc *sc, struct 
 
                dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate, 
                    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
-               *(uint16_t *)wh->i_dur = htole16(dur);
+               USETW(wh->i_dur, dur);
 
                /* tell hardware to add timestamp for probe responses */
                if ((wh->i_fc[0] &
@@ -1281,7 +1281,7 @@ rum_tx_data(struct rum_softc *sc, struct
 
                dur = ieee80211_ack_duration(ic->ic_rt, rate, 
                    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
-               *(uint16_t *)wh->i_dur = htole16(dur);
+               USETW(wh->i_dur, dur);
        }
 
        rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);

Modified: head/sys/dev/usb/wlan/if_run.c
==============================================================================
--- head/sys/dev/usb/wlan/if_run.c      Wed Dec  4 10:54:23 2013        
(r258918)
+++ head/sys/dev/usb/wlan/if_run.c      Wed Dec  4 12:07:46 2013        
(r258919)
@@ -3087,7 +3087,7 @@ run_tx(struct run_softc *sc, struct mbuf
                        dur = rt2860_rates[ctl_ridx].sp_ack_dur;
                else
                        dur = rt2860_rates[ctl_ridx].lp_ack_dur;
-               *(uint16_t *)wh->i_dur = htole16(dur);
+               USETW(wh->i_dur, dur);
        }
 
        /* reserve slots for mgmt packets, just in case */
@@ -3207,7 +3207,7 @@ run_tx_mgt(struct run_softc *sc, struct 
 
                dur = ieee80211_ack_duration(ic->ic_rt, 
rt2860_rates[ridx].rate, 
                    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
-               *(uint16_t *)wh->i_dur = htole16(dur);
+               USETW(wh->i_dur, dur);
        }
 
        if (sc->sc_epq[0].tx_nfree == 0) {

Modified: head/sys/dev/usb/wlan/if_ural.c
==============================================================================
--- head/sys/dev/usb/wlan/if_ural.c     Wed Dec  4 10:54:23 2013        
(r258918)
+++ head/sys/dev/usb/wlan/if_ural.c     Wed Dec  4 12:07:46 2013        
(r258919)
@@ -1139,7 +1139,7 @@ ural_tx_mgt(struct ural_softc *sc, struc
 
                dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate, 
                    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
-               *(uint16_t *)wh->i_dur = htole16(dur);
+               USETW(wh->i_dur, dur);
 
                /* tell hardware to add timestamp for probe responses */
                if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
@@ -1330,7 +1330,7 @@ ural_tx_data(struct ural_softc *sc, stru
 
                dur = ieee80211_ack_duration(ic->ic_rt, rate, 
                    ic->ic_flags & IEEE80211_F_SHPREAMBLE);
-               *(uint16_t *)wh->i_dur = htole16(dur);
+               USETW(wh->i_dur, dur);
        }
 
        ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate);

Modified: head/sys/dev/usb/wlan/if_urtw.c
==============================================================================
--- head/sys/dev/usb/wlan/if_urtw.c     Wed Dec  4 10:54:23 2013        
(r258918)
+++ head/sys/dev/usb/wlan/if_urtw.c     Wed Dec  4 12:07:46 2013        
(r258919)
@@ -1767,7 +1767,7 @@ urtw_tx_start(struct urtw_softc *sc, str
                else
                        dur = URTW_ASIFS_TIME + acktime;
        }
-       *(uint16_t *)wh->i_dur = htole16(dur);
+       USETW(wh->i_dur, dur);
 
        xferlen = m0->m_pkthdr.len;
        xferlen += (sc->sc_flags & URTW_RTL8187B) ? (4 * 8) : (4 * 3);
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