From 7ce1b0edcb11f90f6fc5e0ceecff467f329889a0 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Mon, 30 Jul 2007 16:29:40 -0700 Subject: [PATCH] [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 Signed-off-by: David S. Miller --- net/core/dev.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/net/core/dev.c b/net/core/dev.c index 8c9518e946f..7bfea5e9030 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3337,7 +3337,7 @@ int register_netdevice(struct net_device *dev) if (!dev_valid_name(dev->name)) { ret = -EINVAL; - goto out; + goto err_uninit; } dev->ifindex = dev_new_index(); @@ -3351,7 +3351,7 @@ int register_netdevice(struct net_device *dev) = 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 @@ int register_netdevice(struct net_device *dev) ret = netdev_register_sysfs(dev); if (ret) - goto out; + goto err_uninit; dev->reg_state = NETREG_REGISTERED; /* @@ -3436,6 +3436,11 @@ int register_netdevice(struct net_device *dev) out: return ret; + +err_uninit: + if (dev->uninit) + dev->uninit(dev); + goto out; } /** -- 2.41.0