[PATCH 5.7 063/120] net: lan78xx: fix transfer-buffer memory leak

[Greg Kroah-Hartman]

From: Johan Hovold <jo...@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....@microchip.com <woojung....@microchip.com>
Signed-off-by: Johan Hovold <jo...@kernel.org>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@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 d7162690e3f3d..ee062b27cfa7b 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -3788,6 +3788,7 @@ 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