Merge branch 'l2tp-fixes'
Guillaume Nault says:
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l2tp: pppol2tp_connect() fixes
This series fixes a few remaining issues with pppol2tp_connect().
It doesn't try to prevent invalid configurations that have no effect on
kernel's reliability. That would be work for a future patch set.
Patch 2 is the most important as it avoids an invalid pointer
dereference crashing the kernel. It depends on patch 1 for correctly
identifying L2TP session types.
Patches 3 and 4 avoid creating stale tunnels and sessions.
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Signed-off-by: David S. Miller <davem@davemloft.net>