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fs/proc/inode.c: use RCU_INIT_POINTER(x, NULL)

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Replace rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)

The rcu_assign_pointer() ensures that the initialization of a structure
is carried out before storing a pointer to that structure.  And in the
case of the NULL pointer, there is no structure to initialize.  So,
rcu_assign_pointer(p, NULL) can be safely converted to
RCU_INIT_POINTER(p, NULL)

Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Monam Agarwal 2014-04-07 15:38:35 -07:00 committed by Linus Torvalds
parent 49d063cb35
commit 1c44dbc82f
1 changed files with 1 additions and 1 deletions
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2
fs/proc/inode.c
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@ -47,7 +47,7 @@ static void proc_evict_inode(struct inode *inode)
pde_put(de);
head = PROC_I(inode)->sysctl;
if (head) {
rcu_assign_pointer(PROC_I(inode)->sysctl, NULL);
RCU_INIT_POINTER(PROC_I(inode)->sysctl, NULL);
sysctl_head_put(head);
}
/* Release any associated namespace */