UPSTREAM: HID: hid-input: allow input_configured callback return errors When configuring input device via input_configured callback we may encounter errors (for example input_mt_init_slots() may fail). Instead of continuing with half-initialized input device let's allow driver indicate failures. Signed-off-by: Jaikumar Ganesh <[email protected]> Signed-off-by: Arve Hjønnevåg <[email protected]> Reviewed-by: Benjamin Tissoires <[email protected]> Reviewed-by: David Herrmann <[email protected]> Acked-by: Nikolai Kondrashov <[email protected]> Acked-by: Andrew Duggan <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]> Signed-off-by: Jiri Kosina <[email protected]> Change-Id: I3494c1937b84ff6cd654aef25b5c803aff69f61d (cherry picked from commit 9154301a47b33bdc273d8254c407792524367558) Signed-off-by: Amit Pundir <[email protected]>