crypto: nx - Use RCU_INIT_POINTER(x, NULL)

This patch replaces 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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c
index 1e5481d88a26..c4fcbf47475f 100644
--- a/drivers/crypto/nx/nx-842.c
+++ b/drivers/crypto/nx/nx-842.c
@@ -1234,7 +1234,7 @@ static int __exit nx842_remove(struct vio_dev *viodev)
         old_devdata = rcu_dereference_check(devdata,
                         lockdep_is_held(&devdata_mutex));
         of_reconfig_notifier_unregister(&nx842_of_nb);
-        rcu_assign_pointer(devdata, NULL);
+        RCU_INIT_POINTER(devdata, NULL);
         spin_unlock_irqrestore(&devdata_mutex, flags);
         synchronize_rcu();
         dev_set_drvdata(&viodev->dev, NULL);
@@ -1285,7 +1285,7 @@ static void __exit nx842_exit(void)
         spin_lock_irqsave(&devdata_mutex, flags);
         old_devdata = rcu_dereference_check(devdata,
                         lockdep_is_held(&devdata_mutex));
-        rcu_assign_pointer(devdata, NULL);
+        RCU_INIT_POINTER(devdata, NULL);
         spin_unlock_irqrestore(&devdata_mutex, flags);
         synchronize_rcu();
         if (old_devdata)