Commit 77b6d09f authored by Valentin Vidic's avatar Valentin Vidic Committed by David S. Miller

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: default avatarValentin Vidic <vvidic@valentin-vidic.from.hr>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent efb86fed
...@@ -335,7 +335,7 @@ static void sr_set_multicast(struct net_device *net) ...@@ -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) static int sr_mdio_read(struct net_device *net, int phy_id, int loc)
{ {
struct usbnet *dev = netdev_priv(net); struct usbnet *dev = netdev_priv(net);
__le16 res; __le16 res = 0;
mutex_lock(&dev->phy_mutex); mutex_lock(&dev->phy_mutex);
sr_set_sw_mii(dev); sr_set_sw_mii(dev);
......
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