diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/netdevice.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 15ed750458ad..8e8fb3ed574b 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3383,11 +3383,26 @@ 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; } +static inline const char *netdev_reg_state(const struct net_device *dev) +{ + switch (dev->reg_state) { + case NETREG_UNINITIALIZED: return " (uninitialized)"; + case NETREG_REGISTERED: return ""; + case NETREG_UNREGISTERING: return " (unregistering)"; + case NETREG_UNREGISTERED: return " (unregistered)"; + case NETREG_RELEASED: return " (released)"; + case NETREG_DUMMY: return " (dummy)"; + } + + WARN_ONCE(1, "%s: unknown reg_state %d\n", dev->name, dev->reg_state); + return " (unknown)"; +} + __printf(3, 4) int netdev_printk(const char *level, const struct net_device *dev, const char *format, ...); @@ -3444,7 +3459,8 @@ do { \ * file/line information and a backtrace. */ #define netdev_WARN(dev, format, args...) \ - WARN(1, "netdevice: %s\n" format, netdev_name(dev), ##args) + WARN(1, "netdevice: %s%s\n" format, netdev_name(dev), \ + netdev_reg_state(dev), ##args) /* netif printk helpers, similar to netdev_printk */ |