linux-kernel - [PATCH 1/2] media: dvb/siano, fix memory leak

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Date:	Wed,  6 Jan 2010 17:45:27 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	mchehab@...radead.org
Cc:	linux-kernel@...r.kernel.org, jirislaby@...il.com,
	linux-media@...r.kernel.org
Subject: [PATCH 1/2] media: dvb/siano, fix memory leak

Stanse found a memory leak in smscore_gpio_configure. buffer is not
freed/assigned on all paths. Fix that.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Mauro Carvalho Chehab <mchehab@...radead.org>
Cc: linux-media@...r.kernel.org
---
 drivers/media/dvb/siano/smscoreapi.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c
index ca758bc..4bfd345 100644
--- a/drivers/media/dvb/siano/smscoreapi.c
+++ b/drivers/media/dvb/siano/smscoreapi.c
@@ -1459,8 +1459,10 @@ int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum,
 	if (!(coredev->device_flags & SMS_DEVICE_FAMILY2)) {
 		pMsg->xMsgHeader.msgType = MSG_SMS_GPIO_CONFIG_REQ;
 		if (GetGpioPinParams(PinNum, &TranslatedPinNum, &GroupNum,
-				&groupCfg) != 0)
-			return -EINVAL;
+				&groupCfg) != 0) {
+			rc = -EINVAL;
+			goto free;
+		}
 
 		pMsg->msgData[1] = TranslatedPinNum;
 		pMsg->msgData[2] = GroupNum;
@@ -1490,6 +1492,7 @@ int smscore_gpio_configure(struct smscore_device_t *coredev, u8 PinNum,
 		else
 			sms_err("smscore_gpio_configure error");
 	}
+free:
 	kfree(buffer);
 
 	return rc;
-- 
1.6.5.7

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