[PATCH] cosa -- incorrect comparison for register_netdev

[Stephen Hemminger <shemminger@xxxxxxxx>]

If register_netdev fails this driver will be in trouble because
the return values are things like -EIO or -EEXIST, not just -1.

diff -Nru a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
--- a/drivers/net/wan/cosa.c    Thu Oct  9 11:24:39 2003
+++ b/drivers/net/wan/cosa.c    Thu Oct  9 11:24:39 2003
@@ -615,7 +615,7 @@
        d->get_stats = cosa_net_stats;
        d->tx_timeout = cosa_sppp_timeout;
        d->watchdog_timeo = TX_TIMEOUT;
-       if (register_netdev(d) == -1) {
+       if (register_netdev(d)) {
                printk(KERN_WARNING "%s: register_netdev failed.\n", d->name);
                sppp_detach(chan->pppdev.dev);
                free_netdev(chan->pppdev.dev);