net: print net_device reg_state in netdev_* unless it's registered

This way we'll always know in what status the device is, unless it's
running normally (i.e. NETDEV_REGISTERED).

Also, emit a warning once in case of a bad reg_state.

CC: "David S. Miller" <davem@davemloft.net>
CC: Jason Baron <jbaron@akamai.com>
CC: Eric Dumazet <edumazet@google.com>
CC: Vlad Yasevich <vyasevic@redhat.com>
CC: stephen hemminger <stephen@networkplumber.org>
CC: Jerry Chu <hkchu@google.com>
CC: Ben Hutchings <bhutchings@solarflare.com>
CC: Joe Perches <joe@perches.com>
Signed-off-by: Veaceslav Falico <vfalico@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 3 deletions

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 7288e38e1757..c9afbe2c445a 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -614,13 +614,15 @@ int __dynamic_netdev_dbg(struct _ddebug *descriptor,
                 char buf[PREFIX_SIZE];
 
                 res = dev_printk_emit(7, dev->dev.parent,
-                                      "%s%s %s %s: %pV",
+                                      "%s%s %s %s%s: %pV",
                                       dynamic_emit_prefix(descriptor, buf),
                                       dev_driver_string(dev->dev.parent),
                                       dev_name(dev->dev.parent),
-                                      netdev_name(dev), &vaf);
+                                      netdev_name(dev), netdev_reg_state(dev),
+                                      &vaf);
         } else if (dev) {
-                res = printk(KERN_DEBUG "%s: %pV", netdev_name(dev), &vaf);
+                res = printk(KERN_DEBUG "%s%s: %pV", netdev_name(dev),
+                             netdev_reg_state(dev), &vaf);
         } else {
                 res = printk(KERN_DEBUG "(NULL net_device): %pV", &vaf);
         }