tree a5615e50436e5701a0c325afdecb301e7a698671
parent 6ca2350e11f09d5d3e53777d1eff8ff6d300ed93
author Jason Gerecke <killertofu@gmail.com> 1626728131 -0700
committer Jiri Kosina <jkosina@suse.cz> 1627465428 +0200

HID: wacom: Skip processing of touches with negative slot values

The `input_mt_get_slot_by_key` function may return a negative value
if an error occurs (e.g. running out of slots). If this occurs we
should really avoid reporting any data for the slot.

Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>