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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-12-01 04:37:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-12-06 23:59:05 +0300 |
| commit | 06a9701f4b3e3381dea96fee1cc8a3bb41b0a1f1 (patch) | |
| tree | a6cb5d4635b16e9ff450b5e3533b2b27f8de48aa /include | |
| parent | da2033c282264bfba4e339b7cb3df62adb5c5fc8 (diff) | |
| download | linux-06a9701f4b3e3381dea96fee1cc8a3bb41b0a1f1.tar.xz | |
__in_dev_get_rtnl() can use rtnl_dereference()
If caller holds RTNL, we dont need a memory barrier
(smp_read_barrier_depends) included in rcu_dereference().
Just use rtnl_dereference() to properly document the assertions.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/inetdevice.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index 2b86eaf11773..ae8fdc54e0c0 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -222,7 +222,7 @@ static inline struct in_device *in_dev_get(const struct net_device *dev) static inline struct in_device *__in_dev_get_rtnl(const struct net_device *dev) { - return rcu_dereference_check(dev->ip_ptr, lockdep_rtnl_is_held()); + return rtnl_dereference(dev->ip_ptr); } extern void in_dev_finish_destroy(struct in_device *idev); |