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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-25 02:53:01 -0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-25 03:12:01 -0400 |
commit | adc4633c86f3358fce676b6c7ce75055e395123a (patch) | |
tree | fea3da09a058986ba85e6645a594a8426c42f52d /drivers/input/input.c | |
parent | 5161870f51acd74442375a6693c0586996d01f44 (diff) |
Input: fix sparse warning in __input_release_device()
This fixes the following warning:
drivers/input/input.c:538:23: error: incompatible types in comparison expression (different address spaces)
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/input.c')
-rw-r--r-- | drivers/input/input.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c index 53a0ddee7872..f1be1a77edf3 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c | |||
@@ -534,8 +534,11 @@ EXPORT_SYMBOL(input_grab_device); | |||
534 | static void __input_release_device(struct input_handle *handle) | 534 | static void __input_release_device(struct input_handle *handle) |
535 | { | 535 | { |
536 | struct input_dev *dev = handle->dev; | 536 | struct input_dev *dev = handle->dev; |
537 | struct input_handle *grabber; | ||
537 | 538 | ||
538 | if (dev->grab == handle) { | 539 | grabber = rcu_dereference_protected(dev->grab, |
540 | lockdep_is_held(&dev->mutex)); | ||
541 | if (grabber == handle) { | ||
539 | rcu_assign_pointer(dev->grab, NULL); | 542 | rcu_assign_pointer(dev->grab, NULL); |
540 | /* Make sure input_pass_event() notices that grab is gone */ | 543 | /* Make sure input_pass_event() notices that grab is gone */ |
541 | synchronize_rcu(); | 544 | synchronize_rcu(); |