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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-05-12 02:38:10 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-05-12 19:28:57 +0400 |
| commit | 7cbbb758d3c93b24b45b169af55440d2e7d5b7f6 (patch) | |
| tree | 2eda8bad7a0f92c67b2255e9076e892309e85011 /drivers/input/input.c | |
| parent | 1201e7e67634624aec89317cf308cd0d3d8d4770 (diff) | |
| download | linux-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.c | 1 |
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); |