mmitter David S. Miller <davem@sunset.davemloft.net> 1158963619 -0700

[NETFILTER]: PPTP conntrack: fix GRE keymap leak

When destroying the GRE expectations without having seen the GRE connection
the keymap entry is not freed, leading to a memory leak and, in case of
a following call within the same session, failure during expectation setup.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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