lkml.org 
[lkml]   [2016]   [May]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] Input: evdev - use RCU_INIT_POINTER() when NULLing
Date
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
\
 
 \ /
  Last update: 2016-05-01 14:41    [W:0.183 / U:0.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site