From: Rajkumar Manoharan <rmanoharan@atheros.com>
Date: Mon, 8 Nov 2010 15:10:53 +0000 (+0530)
Subject: ath9k_hw: Fix memory leak on ath9k_hw_rf_alloc_ext_banks failure
X-Git-Tag: firefly_0821_release~9833^2~79^2^2~256
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cd4d6dacabca8a970ccbe35c502943cdd19ef090;p=firefly-linux-kernel-4.4.55.git

ath9k_hw: Fix memory leak on ath9k_hw_rf_alloc_ext_banks failure

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@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 3384ca164562..a5779a775149 100644
--- 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_hw *ah)
 		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;
 	}