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

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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@ispras.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Alexey Khoroshilov 2013-06-14 00:26:11 +04:00 committed by John W. Linville
parent 9b60b64bfe
commit 1105a13bb8
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/orinoco/orinoco_usb.c
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@ -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)