net: lan78xx: fix transfer-buffer memory leak

The interrupt URB transfer-buffer was never freed on disconnect or after probe errors. Fixes: 55d7de9 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver") Cc: [email protected] <[email protected]> Signed-off-by: Johan Hovold <[email protected]> Signed-off-by: David S. Miller <[email protected]>
josf · Jul 28, 2020 · 63634aa · 63634aa
1 parent 8d8e95f
commit 63634aa
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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;
 		}
 	}