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rculist: use list_entry_rcu in places where it's appropriate

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Use previously introduced list_entry_rcu instead of an open-coded
list_entry + rcu_dereference combination.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: dipankar@in.ibm.com
LKML-Reference: <20090414181715.GA3634@psychotron.englab.brq.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jiri Pirko
2009-04-14 20:17:16 +02:00
committed by Ingo Molnar
parent 72c6a9870f
commit 05725f7eb4
4 changed files with 13 additions and 11 deletions
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4
ipc/sem.c
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@@ -1290,8 +1290,8 @@ void exit_sem(struct task_struct *tsk)
int i;
rcu_read_lock();
un = list_entry(rcu_dereference(ulp->list_proc.next),
struct sem_undo, list_proc);
un = list_entry_rcu(ulp->list_proc.next,
struct sem_undo, list_proc);
if (&un->list_proc == &ulp->list_proc)
semid = -1;
else