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authorEric Dumazet <eric.dumazet@gmail.com>2011-05-12 02:38:10 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-05-12 19:28:57 +0400
commit7cbbb758d3c93b24b45b169af55440d2e7d5b7f6 (patch)
tree2eda8bad7a0f92c67b2255e9076e892309e85011 /drivers/input/input.c
parent1201e7e67634624aec89317cf308cd0d3d8d4770 (diff)
downloadlinux-7cbbb758d3c93b24b45b169af55440d2e7d5b7f6.tar.xz
Input: remove useless synchronize_rcu() calls
There is no need to call synchronize_rcu() after a list insertion, or a NULL->ptr assignment. However, the reverse operations do need this call. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/input.c')
-rw-r--r--drivers/input/input.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index ebbceedc92f4..75e11c7b70fd 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -451,7 +451,6 @@ int input_grab_device(struct input_handle *handle)
}
rcu_assign_pointer(dev->grab, handle);
- synchronize_rcu();
out:
mutex_unlock(&dev->mutex);