[Openswan Users] Unloading klips module removes all /proc/net/ entries

[Thomas Geulig]

I had some problems with unloading the klips module since openswan 2.6.40,
which happens for example with "ipsec setup --stop".

After stopping ipsec, all entries in /proc/net/ were removed, not only
the klips related entries.

The attached patch removes the backported remove_proc_subtree() code,
which was only used for the pf_key entries anyway. Now, as in ipsec_proc.c
already, the function remove_proc_entry() is used. This "works".

Thomas

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