git: netgraph: handle M_PREPEND failure.

[Nuno Antunes <nant@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 25aabaeaec804ed4216982fc791732ef8dfc11dc
Author: Nuno Antunes <nuno.antunes@gmail.com>
Date:   Mon Jan 9 13:56:06 2012 +0000

    netgraph: handle M_PREPEND failure.
    
    Noticed-by: Sepherosa Ziehau

Summary of changes:
 sys/net/if_ethersubr.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/25aabaeaec804ed4216982fc791732ef8dfc11dc


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