HID: core: prevent out-of-bound readings

Plugging a Logitech DJ receiver with KASAN activated raises a bunch of
out-of-bound readings.

The fields are allocated up to MAX_USAGE, meaning that potentially, we do
not have enough fields to fit the incoming values.
Add checks and silence KASAN.

Change-Id: I3b04131079a27f0b1cd60df03c793e8d9ffe5e91
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Git-repo: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git


Git-commit: 50220dead1650609206efe91f0cc116132d59b3f
Signed-off-by: Dennis Cagle <d-cagle@codeaurora.org>