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2.6.23-stable review patch. If anyone has any objections, please let us know.
------------------
From: Oliver Neukum <oliver@neukum.org>
patch 064450140f1eab959bd0eca0245f449993216074 in mainline.
If input_open_device() fails we should not leave interfaces marked
as opened.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/input/evdev.c | 5 ++++-
drivers/input/joydev.c | 5 ++++-
drivers/input/mousedev.c | 5 ++++-
drivers/input/tsdev.c | 5 ++++-
4 files changed, 16 insertions(+), 4 deletions(-)
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -192,8 +192,11 @@ static int evdev_open_device(struct evde
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;
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -205,8 +205,11 @@ static int joydev_open_device(struct joy
if (!joydev->exist)
retval = -ENODEV;
- else if (!joydev->open++)
+ else if (!joydev->open++) {
retval = input_open_device(&joydev->handle);
+ if (retval)
+ joydev->open--;
+ }
mutex_unlock(&joydev->mutex);
return retval;
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -428,8 +428,11 @@ static int mousedev_open_device(struct m
mixdev_open_devices();
else if (!mousedev->exist)
retval = -ENODEV;
- else if (!mousedev->open++)
+ else if (!mousedev->open++) {
retval = input_open_device(&mousedev->handle);
+ if (retval)
+ mousedev->open--;
+ }
mutex_unlock(&mousedev->mutex);
return retval;
--- a/drivers/input/tsdev.c
+++ b/drivers/input/tsdev.c
@@ -185,8 +185,11 @@ static int tsdev_open_device(struct tsde
if (!tsdev->exist)
retval = -ENODEV;
- else if (!tsdev->open++)
+ else if (!tsdev->open++) {
retval = input_open_device(&tsdev->handle);
+ if (retval)
+ tsdev->open--;
+ }
mutex_unlock(&tsdev->mutex);
return retval;
--
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