linux-kernel - [PATCH 1/1] USB: usblcd, fix memory leak

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Message-Id: <1253714996-6495-1-git-send-email-jirislaby@gmail.com>
Date:	Wed, 23 Sep 2009 16:09:56 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	gregkh@...e.de
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jiri Slaby <jirislaby@...il.com>
Subject: [PATCH 1/1] USB: usblcd, fix memory leak

Stanse found a memory leak in lcd_probe. Instead of returning without
releasing the memory, jump to the error label which frees it.

http://stanse.fi.muni.cz/

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/usb/misc/usblcd.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index 29092b8..4fb1203 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -313,7 +313,8 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
 
 	if (le16_to_cpu(dev->udev->descriptor.idProduct) != 0x0001) {
 		dev_warn(&interface->dev, "USBLCD model not supported.\n");
-		return -ENODEV;
+		retval = -ENODEV;
+		goto error;
 	}
 	
 	/* set up the endpoint information */
-- 
1.6.4.2

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