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key: Remove extraneous parentheses from rcu_assign_keypointer()

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This commit removes the extraneous parentheses from rcu_assign_keypointer()
so that rcu_assign_pointer() can be wrapped in do-while.  It also wraps
rcu_assign_keypointer() in a do-while and parenthesizes its final argument,
as suggested by David Howells.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Paul E. McKenney 2012-05-16 16:31:38 -07:00
parent d1b88eb9e3
commit e5c1f444d2
1 changed files with 3 additions and 1 deletions
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4
include/linux/key.h
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@ -303,7 +303,9 @@ static inline bool key_is_instantiated(const struct key *key)
rwsem_is_locked(&((struct key *)(KEY))->sem)))
#define rcu_assign_keypointer(KEY, PAYLOAD) \
(rcu_assign_pointer((KEY)->payload.rcudata, PAYLOAD))
do { \
rcu_assign_pointer((KEY)->payload.rcudata, (PAYLOAD)); \
} while (0)
#ifdef CONFIG_SYSCTL
extern ctl_table key_sysctls[];