net: usb: sr9800: fix uninitialized local variable

commit 77b6d09f4ae66d42cd63b121af67780ae3d1a5e9 upstream. Make sure res does not contain random value if the call to sr_read_cmd fails for some reason. Reported-by: [email protected] Signed-off-by: Valentin Vidic <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
mylove90 · Nov 6, 2019 · b6a3536 · b6a3536
1 parent 480edc0
commit b6a3536
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);