ath9k: set ah to null after freeing

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>

ath9k: set ah to null after freeing
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
9db6b6a2 · Luis R. Rodriguez · John W. Linville · e70c0cfd · 9db6b6a2
Commit 9db6b6a2 authored Aug 03, 2009 by Luis R. Rodriguez Committed by John W. Linville Aug 04, 2009
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drivers/net/wireless/ath/ath9k/hw.c drivers/net/wireless/ath/ath9k/hw.c +1 -0

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--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1232,6 +1232,7 @@ void ath9k_hw_detach(struct ath_hw *ah)
 	ath9k_hw_rf_free(ah);
 	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 	kfree(ah);
+	ah = NULL;
 }
 /*******/