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Input: fix open count handling in input interfaces

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If input_open_device() fails we should not leave interfaces marked
as  opened.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Oliver Neukum
2007-10-12 14:18:40 -04:00
committed by Dmitry Torokhov
parent 1ea3abf7fb
commit 064450140f
4 changed files with 16 additions and 4 deletions
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5
drivers/input/evdev.c
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@@ -192,8 +192,11 @@ static int evdev_open_device(struct evdev *evdev)
if (!evdev->exist)
retval = -ENODEV;
else if (!evdev->open++)
else if (!evdev->open++) {
retval = input_open_device(&evdev->handle);
if (retval)
evdev->open--;
}
mutex_unlock(&evdev->mutex);
return retval;