diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-26 17:44:29 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-08 09:42:12 -0800 |
| commit | 1b01494b82bf4f46821dd4dda2bb35aa43415eeb (patch) | |
| tree | 667104c904b53911d6e7e63e5d8066aa9d902795 /drivers | |
| parent | 2efb73fb4f0f5081ba6450e789b52f70247c80d9 (diff) | |
Input: allocate absinfo data when setting ABS capability
commit 28a2a2e1aedbe2d8b2301e6e0e4e63f6e4177aca upstream.
We need to make sure we allocate absinfo data when we are setting one of
EV_ABS/ABS_XXX capabilities, otherwise we may bomb when we try to emit this
event.
Rested-by: Paul Cercueil <pcercuei@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/input.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c index 8921c6180c51..d56c407aa096 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1707,6 +1707,10 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int break; case EV_ABS: + input_alloc_absinfo(dev); + if (!dev->absinfo) + return; + __set_bit(code, dev->absbit); break; |