[NET]: Call uninit if necessary in register_netdevice
This patch makes register_netdevice call dev->uninit if the regsitration
fails after dev->init has completed successfully. Very few drivers use
the init/uninit calls but at least one (drivers/net/wan/sealevel.c) may
leak without this change.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 8c9518e..7bfea5e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3337,7 +3337,7 @@
if (!dev_valid_name(dev->name)) {
ret = -EINVAL;
- goto out;
+ goto err_uninit;
}
dev->ifindex = dev_new_index();
@@ -3351,7 +3351,7 @@
= hlist_entry(p, struct net_device, name_hlist);
if (!strncmp(d->name, dev->name, IFNAMSIZ)) {
ret = -EEXIST;
- goto out;
+ goto err_uninit;
}
}
@@ -3411,7 +3411,7 @@
ret = netdev_register_sysfs(dev);
if (ret)
- goto out;
+ goto err_uninit;
dev->reg_state = NETREG_REGISTERED;
/*
@@ -3436,6 +3436,11 @@
out:
return ret;
+
+err_uninit:
+ if (dev->uninit)
+ dev->uninit(dev);
+ goto out;
}
/**