[PATCH] orinoco_usb: fix memory leak in ezusb_access_ltv() when device disconnected

From: Alexey Khoroshilov
Date: Thu Jun 13 2013 - 16:26:50 EST

If "device is disconnected" check occurs to be true in ezusb_access_ltv(),
it just return -ENODEV. But that means request_context is leaked since
there are no any references to it anymore.
The patch adds a call to ezusb_request_context_put() before return.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
drivers/net/wireless/orinoco/orinoco_usb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/orinoco/orinoco_usb.c b/drivers/net/wireless/orinoco/orinoco_usb.c
index 1f9cb55..bdfe637 100644
--- a/drivers/net/wireless/orinoco/orinoco_usb.c
+++ b/drivers/net/wireless/orinoco/orinoco_usb.c
@@ -881,7 +881,8 @@ static int ezusb_access_ltv(struct ezusb_priv *upriv,

if (!upriv->udev) {
dbg("Device disconnected");
- return -ENODEV;
+ retval = -ENODEV;
+ goto exit;

if (upriv->read_urb->status != -EINPROGRESS)

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