[033/289] ath9k_hw: Fix memory leak on ath9k_hw_rf_alloc_ext_banks failure

[Greg KH]

2.6.36-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Rajkumar Manoharan <rmanoharan@xxxxxxxxxxx>

commit 48a7c3df14d0cda850337a9b3f9e667a0b12a996 upstream.

The allocated externel radio banks have to be freed in
case of ath9k_hw_rf_alloc_ext_banks failure.

Signed-off-by: Rajkumar Manoharan <rmanoharan@xxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/net/wireless/ath/ath9k/hw.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -486,6 +486,7 @@ static int ath9k_hw_post_init(struct ath
 		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
 			  "Failed allocating banks for "
 			  "external radio\n");
+		ath9k_hw_rf_free_ext_banks(ah);
 		return ecode;
 	}
 


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