macvlan: Don't propagate IFF_ALLMULTI changes on down interfaces.

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Clearing the IFF_ALLMULTI flag on a down interface could cause an allmulti
overflow on the underlying interface.

Attempting the set IFF_ALLMULTI on the underlying interface would cause an
error and the log message:

"allmulti touches root, set allmulti failed."

Signed-off-by: Peter Christensen <pch@ordbogen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Peter Christensen 2014-05-08 11:15:37 +02:00 • committed by David S. Miller

parent 1a466ae96e

commit bbeb0eadcf

1 changed files with 4 additions and 2 deletions

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drivers/net/macvlan.c

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