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Subject[PATCH] mfd: dln2: Switch to kvfree_rcu() API
Date
Instead of invoking a synchronize_rcu() to free a pointer
after a grace period we can directly make use of new API
that does the same but in more efficient way.

TO: Lee Jones <lee.jones@linaro.org>
TO: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
---
drivers/mfd/dln2.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 852129ea0766..365e3e77cac4 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -179,10 +179,8 @@ void dln2_unregister_event_cb(struct platform_device *pdev, u16 id)

spin_unlock_irqrestore(&dln2->event_cb_lock, flags);

- if (found) {
- synchronize_rcu();
- kfree(i);
- }
+ if (found)
+ kvfree_rcu(i);
}
EXPORT_SYMBOL(dln2_unregister_event_cb);

--
2.30.2
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