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authorMichal Hocko <mhocko@suse.cz>2011-07-08 14:39:41 +0200
committerJiri Kosina <jkosina@suse.cz>2011-07-08 22:21:58 +0200
commitd8bf4ca9ca9576548628344c9725edd3786e90b1 (patch)
treedf338f50a5af6bc3651bd863b79fa91e6b1e9e20 /kernel/exit.c
parenteb032b9837a958e21ca000358a5bde5e17192ddb (diff)
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 'kernel/exit.c')
-rw-r--r--kernel/exit.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 20a40647152..07dc154fc79 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -85,7 +85,6 @@ static void __exit_signal(struct task_struct *tsk)
struct tty_struct *uninitialized_var(tty);
sighand = rcu_dereference_check(tsk->sighand,
- rcu_read_lock_held() ||
lockdep_tasklist_lock_is_held());
spin_lock(&sighand->siglock);