[PATCH] Input: evdev - use RCU_INIT_POINTER() when NULLing
From: Muhammad Falak R Wani <hidden>
Date: 2016-05-01 12:17:49
Also in:
lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
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 <redacted> --- 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);
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1.9.1