tree 8f45047eb778c13150809df837c1a1327a3f6c05
parent 5e659e4cb0eedacdc1f621a61e400a4611ddef8a
author David S. Miller <davem@davemloft.net> 1209033883 -0700
committer David S. Miller <davem@davemloft.net> 1209033883 -0700

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>