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Input: remove useless synchronize_rcu() calls

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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>
This commit is contained in:
Eric Dumazet 2011-05-11 15:38:10 -07:00 • committed by Dmitry Torokhov
parent 1201e7e676
commit 7cbbb758d3
4 changed files with 0 additions and 5 deletions
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1
drivers/input/input.c
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@ -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);