Commit 77b6d09f authored Oct 15, 2019 by Valentin Vidic Committed by David S. Miller Oct 15, 2019

net: usb: sr9800: fix uninitialized local variable



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 <vvidic@valentin-vidic.from.hr>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent efb86fed

drivers/net/usb/sr9800.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -335,7 +335,7 @@ 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);

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