ath9k: set sc->sc_ah to NULL after freeing it

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
git-mirror · Aug 4, 2009 · 3ce1b1a · 3ce1b1a
1 parent 9db6b6a
commit 3ce1b1a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
@@ -1278,6 +1278,7 @@ void ath_detach(struct ath_softc *sc)
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
 	ath9k_hw_detach(sc->sc_ah);
+	sc->sc_ah = NULL;
 	ath9k_exit_debug(sc);
 }
 
@@ -1521,6 +1522,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc)
 bad:
 	if (ah)
 		ath9k_hw_detach(ah);
+	sc->sc_ah = NULL;
 bad_no_ah:
 	ath9k_exit_debug(sc);
 
@@ -1631,6 +1633,7 @@ int ath_init_device(u16 devid, struct ath_softc *sc)
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
 	ath9k_hw_detach(sc->sc_ah);
+	sc->sc_ah = NULL;
 	ath9k_exit_debug(sc);
 
 	return error;