[PATCH] Input: evdev - use RCU_INIT_POINTER() when NULLing

From	Muhammad Falak R Wani <falakreyaz@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH] Input: evdev - use RCU_INIT_POINTER() when NULLing
Date	2016-05-01 14:20 +0200
Message-ID	<rtYvU-YB-13@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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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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[PATCH] Input: evdev - use RCU_INIT_POINTER() when NULLing Muhammad Falak R Wani <falakreyaz@gmail.com> - 2016-05-01 14:20 +0200

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