linux-kernel - [PATCH v2] staging: rtl8723au: Fix resource leak

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Date:	Sun, 27 Sep 2015 21:48:19 +0200
From:	Mateusz Kulikowski <mateusz.kulikowski@...il.com>
To:	Larry.Finger@...inger.net, Jes.Sorensen@...hat.com
Cc:	Mateusz Kulikowski <mateusz.kulikowski@...il.com>,
	gregkh@...uxfoundation.org, linux-wireless@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] staging: rtl8723au: Fix resource leak

Firmware was not released properly if kmemdup fails.

Addresses-Coverity-Id: 1269118
Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@...il.com>
---
 drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c b/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c
index cd014f7..ecf54ee 100644
--- a/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c
+++ b/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c
@@ -249,13 +249,13 @@ int rtl8723a_FirmwareDownload(struct rtw_adapter *padapter)
 		goto Exit;
 	}
 	firmware_buf = kmemdup(fw->data, fw->size, GFP_KERNEL);
+	fw_size = fw->size;
+	release_firmware(fw);
 	if (!firmware_buf) {
 		rtStatus = _FAIL;
 		goto Exit;
 	}
 	buf = firmware_buf;
-	fw_size = fw->size;
-	release_firmware(fw);
 
 	/*  To Check Fw header. Added by tynli. 2009.12.04. */
 	pFwHdr = (struct rt_8723a_firmware_hdr *)firmware_buf;
-- 
2.1.4

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