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net: print a notification on device rename

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Currently it's done silently (from the kernel part), and thus it might be
hard to track the renames from logs.

Add a simple netdev_info() to notify the rename, but only in case the
previous name was valid.

CC: "David S. Miller" <davem@davemloft.net>
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: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Veaceslav Falico <vfalico@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Veaceslav Falico 2014-07-17 20:33:32 +02:00 committed by David S. Miller
parent 4ec6837804
commit 6fe82a39e5
1 changed files with 3 additions and 0 deletions
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3
net/core/dev.c
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@ -1113,6 +1113,9 @@ int dev_change_name(struct net_device *dev, const char *newname)
return err;
}
if (oldname[0] && !strchr(oldname, '%'))
netdev_info(dev, "renamed from %s\n", oldname);
old_assign_type = dev->name_assign_type;
dev->name_assign_type = NET_NAME_RENAMED;