From: Alexey Khoroshilov Date: Thu, 13 Jun 2013 20:26:11 +0000 (+0400) Subject: orinoco_usb: fix memory leak in ezusb_access_ltv() when device disconnected X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1105a13bb8ad29cf83d46989ee462d196038be87;p=openwrt%2Fstaging%2Fblogic.git orinoco_usb: fix memory leak in ezusb_access_ltv() when device disconnected 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 Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/orinoco/orinoco_usb.c b/drivers/net/wireless/orinoco/orinoco_usb.c index 1f9cb55c3360..bdfe637953f4 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)