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authorJohan Hovold <johan@kernel.org>2020-07-28 15:10:30 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-08-05 10:59:47 +0300
commitb1d629d329107a499798037982156fd5457b3a44 (patch)
tree901942c79c19883007847882459b29a0fa122ca2
parent9db3040eb952550538b1ec65d20eb99490e73352 (diff)
downloadlinux-b1d629d329107a499798037982156fd5457b3a44.tar.xz
net: lan78xx: fix transfer-buffer memory leak
[ 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>
-rw-r--r--drivers/net/usb/lan78xx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 54ce1ed1ea37..1da99abc6ed1 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -3796,6 +3796,7 @@ 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;
}
}