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Subject[PATCH 4.4 019/149] net: lan78xx: fix transfer-buffer memory leak
Date
From: Johan Hovold <johan@kernel.org>

[ Upstream commit 63634aa679ba8b5e306ad0727120309ae6ba8a8e ]

The interrupt URB transfer-buffer was never freed on disconnect or after
probe errors.

Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Cc: Woojung.Huh@microchip.com <Woojung.Huh@microchip.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/usb/lan78xx.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 3f2f524c338d6..1fb5d5f3475cf 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -3006,6 +3006,7 @@ static int lan78xx_probe(struct usb_interface *intf,
usb_fill_int_urb(dev->urb_intr, dev->udev,
dev->pipe_intr, buf, maxp,
intr_complete, dev, period);
+ dev->urb_intr->transfer_flags |= URB_FREE_BUFFER;
}
}

--
2.25.1


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