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ipmr: RCU protection for mfc_cache_array

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Use RCU & RTNL protection for mfc_cache_array[]

ipmr_cache_find() is called under rcu_read_lock();

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-10-01 16:15:08 +00:00 • committed by David S. Miller
parent 4c9687098f
commit a8c9486b81
2 changed files with 48 additions and 40 deletions
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1
include/linux/mroute.h
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@ -213,6 +213,7 @@ struct mfc_cache {
unsigned char ttls[MAXVIFS]; /* TTL thresholds */
} res;
} mfc_un;
struct rcu_head rcu;
};
#define MFC_STATIC 1