linux-kernel - [PATCH] staging: usbip: fix memory leak

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Date:	Wed, 11 Aug 2010 12:02:10 +0400
From:	Kulikov Vasiliy <segooon@...il.com>
To:	kernel-janitors@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Kulikov Vasiliy <segooon@...il.com>,
	Endre Kollar <taxy443@...il.com>, Tejun Heo <tj@...nel.org>,
	"Brian G. Merrell" <bgmerrell@...ell.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: usbip: fix memory leak

If stub_probe() failed then do not increase interf_count. In original
code sdev was leaked as its interf_count never reaches 0.

Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
---
 drivers/staging/usbip/stub_dev.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c
index b6b753a..b186b5f 100644
--- a/drivers/staging/usbip/stub_dev.c
+++ b/drivers/staging/usbip/stub_dev.c
@@ -427,11 +427,11 @@ static int stub_probe(struct usb_interface *interface,
 
 
 	if (busid_priv->status == STUB_BUSID_ALLOC) {
-		busid_priv->interf_count++;
 		sdev = busid_priv->sdev;
 		if (!sdev)
 			return -ENODEV;
 
+		busid_priv->interf_count++;
 		dev_info(&interface->dev,
 		 "USB/IP Stub: register a new interface "
 		 "(bus %u dev %u ifn %u)\n", udev->bus->busnum, udev->devnum,
-- 
1.7.0.4

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