David S. Miller 9edb74cc6c tun: Multicast handling in tun_chr_ioctl() needs proper locking. ...

Since these operations don't go through the normal
device calls, we have to ensure we synchronize with
those paths.

Noticed by Alan Cox.

Signed-off-by: David S. Miller <davem@davemloft.net>

2008-04-24 03:44:43 -07:00

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