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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-26 17:44:29 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-31 10:53:19 -0800 |
| commit | 28a2a2e1aedbe2d8b2301e6e0e4e63f6e4177aca (patch) | |
| tree | 7d1a45c313cecc0c9cb72ad7aae24271fde9d6ba /drivers/input/input.c | |
| parent | Input: define KEY_WWAN for Wireless WAN (diff) | |
| download | linux-dev-28a2a2e1aedbe2d8b2301e6e0e4e63f6e4177aca.tar.xz linux-dev-28a2a2e1aedbe2d8b2301e6e0e4e63f6e4177aca.zip | |
Input: allocate absinfo data when setting ABS capability
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>
Diffstat (limited to 'drivers/input/input.c')
| -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 846ccdd905b1..d2965e4b3224 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1871,6 +1871,10 @@ 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; |