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Input: soc_button_array - bail out earlier if gpiod_count is zero
authorBenjamin Tissoires <benjamin.tissoires@redhat.com>
Fri, 25 Nov 2016 19:36:01 +0000 (11:36 -0800)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Fri, 25 Nov 2016 19:39:50 +0000 (11:39 -0800)
commit5e55052e740d6b612e0b6e2d3f300756c7140f17
tree62881e1940d7d44f453f649fb7ee38dd0f4360abtree | snapshot
parenteb746df0271bc94eab50aa14bc9fbf103acc069bcommit | diff
Input: soc_button_array - bail out earlier if gpiod_count is zero

The PNP0C40 device of the Surface 3 doesn't have any GPIO attached to it.
Instead of trying to access the GPIO, request the count beforehand and
bail out if it is null or if an error is returned.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/misc/soc_button_array.c diff | blob | history
Linux Kernel Source Tree.