From: Luis R. Rodriguez <lrodriguez@atheros.com>
Date: Mon, 3 Aug 2009 19:24:53 +0000 (-0700)
Subject: ath9k: set sc->sc_ah to NULL after freeing it
X-Git-Tag: v2.6.32-rc1~703^2~459^2~10
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3ce1b1a949ae849fb73556867e60977a65ca3141;p=karo-tx-linux.git

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>
---

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 91bffc91bbb0..d3d2cb667dc6 100644
--- 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 @@ bad2:
 bad:
 	if (ah)
 		ath9k_hw_detach(ah);
+	sc->sc_ah = NULL;
 bad_no_ah:
 	ath9k_exit_debug(sc);
 
@@ -1631,6 +1633,7 @@ error_attach:
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
 	ath9k_hw_detach(sc->sc_ah);
+	sc->sc_ah = NULL;
 	ath9k_exit_debug(sc);
 
 	return error;