Merge branch 'octeon_ep-fix-the-error-handling-path-of-octep_request_irqs'

Christophe says:

====================
octeon_ep: Fix the error handling path of octep_request_irqs()

I send a small serie to ease review and because I'm sighly
less confident with the 2nd patch.
====================

Link: https://lore.kernel.org/r/cover.1652819974.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>