* [PATCH] Input: evdev - use RCU_INIT_POINTER() when NULLing
@ 2016-05-01 12:17 Muhammad Falak R Wani
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From: Muhammad Falak R Wani @ 2016-05-01 12:17 UTC (permalink / raw)
To: Dmitry Torokhov; +Cc: linux-input, linux-kernel, Muhammad Falak R Wani
It is safe to use RCU_INIT_POINTER() to NULL a pointer, instead of
rcu_assign_pointer().
This results in slightly smaller/faster code.
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
drivers/input/evdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index e9ae3d5..51875b5 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -392,7 +392,7 @@ static int evdev_ungrab(struct evdev *evdev, struct evdev_client *client)
if (grab != client)
return -EINVAL;
- rcu_assign_pointer(evdev->grab, NULL);
+ RCU_INIT_POINTER(evdev->grab, NULL);
synchronize_rcu();
input_release_device(&evdev->handle);
--
1.9.1
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