rsi: check length before USB read/write register

These checks are required. Otherwise we may end up getting
memory corruption if invalid length is passed.

Fixes: b97e9b94ad ("rsi: Add new host interface operations")
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Amitkumar Karwar 2017-07-11 19:57:52 +05:30 • committed by Kalle Valo
commit 59f73e2ae1