[PATCH AUTOSEL 4.19 49/59] net: usb: sr9800: fix uninitialized local variable
From: Sasha Levin <sashal@kernel.org>
Date: 2019-10-26 13:21:08
Also in:
linux-usb, lkml, stable
Subsystem:
networking drivers, the rest, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Valentin Vidic <redacted> [ Upstream commit 77b6d09f4ae66d42cd63b121af67780ae3d1a5e9 ] Make sure res does not contain random value if the call to sr_read_cmd fails for some reason. Reported-by: syzbot+f1842130bbcfb335bac1@syzkaller.appspotmail.com Signed-off-by: Valentin Vidic <redacted> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/usb/sr9800.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 35f39f23d8814..8f8c9ede88c26 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c@@ -336,7 +336,7 @@ static void sr_set_multicast(struct net_device *net) static int sr_mdio_read(struct net_device *net, int phy_id, int loc) { struct usbnet *dev = netdev_priv(net); - __le16 res; + __le16 res = 0; mutex_lock(&dev->phy_mutex); sr_set_sw_mii(dev);
--
2.20.1