DragonFlyBSD

This patch properly locks the iwi watchdog function. I have no
idea, why it worked for me before without this.

Cheers,
Johannes

diff --git a/sys/dev/netif/iwi/if_iwi.c b/sys/dev/netif/iwi/if_iwi.c
index eb70b8f..15a886f 100644
--- a/sys/dev/netif/iwi/if_iwi.c
+++ b/sys/dev/netif/iwi/if_iwi.c
@ -1994,7 +1994,7 @ iwi_watchdog(void *arg)
struct ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;

- IWI_LOCK_ASSERT(sc);
+ IWI_LOCK(sc);

if (sc->sc_tx_timer > 0) {
         if (--sc->sc_tx_timer == 0) {
@ -2022,6 +2022,7 @ iwi_watchdog(void *arg)
         }
     }
     callout_reset(&sc->sc_wdtimer, hz, iwi_watchdog, sc);
+    IWI_UNLOCK(sc);
 }

static int