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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-27 01:44:29 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-09 20:25:14 (GMT) |
| commit | 26021cf9139755640ddcd97bb286e5f5ee8efacf (patch) | |
| tree | 9835d82e3b670675f448de6234c1134aefd3b612 | |
| parent | 8807a436dbe45b1401bf4c6d67a757f7bdc99171 (diff) | |
| download | linux-fsl-qoriq-26021cf9139755640ddcd97bb286e5f5ee8efacf.tar.xz | |
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>
| -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 e75d015..74f4798 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; |