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| author | Michal Hocko <mhocko@suse.cz> | 2011-07-08 14:39:41 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-07-08 22:21:58 +0200 |
| commit | d8bf4ca9ca9576548628344c9725edd3786e90b1 (patch) | |
| tree | df338f50a5af6bc3651bd863b79fa91e6b1e9e20 /include/linux/rtnetlink.h | |
| parent | eb032b9837a958e21ca000358a5bde5e17192ddb (diff) | |
| download | linux-stable-d8bf4ca9ca9576548628344c9725edd3786e90b1.tar.gz linux-stable-d8bf4ca9ca9576548628344c9725edd3786e90b1.tar.bz2 linux-stable-d8bf4ca9ca9576548628344c9725edd3786e90b1.zip | |
rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check
Since ca5ecddf (rcu: define __rcu address space modifier for sparse)
rcu_dereference_check use rcu_read_lock_held as a part of condition
automatically so callers do not have to do that as well.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include/linux/rtnetlink.h')
| -rw-r--r-- | include/linux/rtnetlink.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index bbad657a3725..27576aa05e8c 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -758,8 +758,7 @@ extern int lockdep_rtnl_is_held(void); * or RTNL. Note : Please prefer rtnl_dereference() or rcu_dereference() */ #define rcu_dereference_rtnl(p) \ - rcu_dereference_check(p, rcu_read_lock_held() || \ - lockdep_rtnl_is_held()) + rcu_dereference_check(p, lockdep_rtnl_is_held()) /** * rtnl_dereference - fetch RCU pointer when updates are prevented by RTNL |