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batman-adv: Make orig_node->router an rcu protected pointer

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The rcu protected macros rcu_dereference() and rcu_assign_pointer()
for the orig_node->router need to be used, as well as spin/rcu locking.
Otherwise we might end up using a router pointer pointing to already
freed memory.

Therefore this commit introduces the safe getter method
orig_node_get_router().

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
This commit is contained in:
Linus Lüssing 2011-03-14 22:43:37 +00:00 • committed by Sven Eckelmann
commit e1a5382f97
8 changed files with 232 additions and 212 deletions
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