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net: use dev->name in netdev_pr* when it's available 

netdev_name() returns dev->name only when the net_device is in
NETREG_REGISTERED state.

However, dev->name is always populated on creation, so we can easily use
it.

There are two cases when there's no real name - when it's an empty string
or when the name is in form of "eth%d", then netdev_name() returns "unnamed
net_device".

CC: "David S. Miller" <davem@davemloft.net>
CC: Tom Gundersen <teg@jklm.no>
Signed-off-by: Veaceslav Falico <vfalico@gmail.com>
Acked-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Veaceslav Falico 2014-07-17 19:46:09 +02:00 committed by David S. Miller
parent 3e403a7777
commit c6f854d57d
1 changed files with 2 additions and 2 deletions
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4
include/linux/netdevice.h
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@ -3383,8 +3383,8 @@ extern struct pernet_operations __net_initdata loopback_net_ops;
static inline const char *netdev_name(const struct net_device *dev)
{
if (dev->reg_state != NETREG_REGISTERED)
return "(unregistered net_device)";
if (!dev->name[0] || strchr(dev->name, '%'))
return "(unnamed net_device)";
return dev->name;
}